外
外 means outside in 外は雨が降っています。Here it identifies the outdoor area as the topic. A useful pattern is 外は + a description, such as 外は静かです in a new example. You would use it when talking about conditions outdoors.
は
は marks 外 as the topic in 外は雨が降っています。It tells the listener that the sentence is about what is happening outside. A useful reuse pattern is [place or thing]は + a description. Use it when introducing or continuing a topic in conversation.
雨
雨 means rain in 外は雨が降っています。It is the weather condition being described. A useful pattern is 雨が降っています for saying that rain is falling. You would use it when telling someone about rainy weather.
が
が marks 雨 as what is falling in 雨が降っています。It connects the thing being described with the action or event. A useful reuse pattern is [thing]が + an action or condition. Use it when identifying what is happening.
降っています
降っています means is falling in 雨が降っています, so the sentence says that it is raining now. This polite form describes the ongoing rain in the dialogue. A useful pattern is 雨が降っています. You would use it when giving a current weather update.
出かける
出かける means go out or leave in 出かける前にブーツを履いてください。It identifies the action that must happen after the preparation. A useful pattern is 出かける前に + preparation. You would use it when giving advice before someone goes out.
前
前 means before in 出かける前にブーツを履いてください。It places the boot-wearing earlier than going out. A useful pattern is [action]前に + another action. Use it when saying that something should happen before an event.
に
に marks the time point in 出かける前にブーツを履いてください。Together with 前, it means before going out. A useful reuse pattern is [action]前に + instruction or action. You would use it to connect preparation with a later event.
ブーツ
ブーツ means boots in ブーツを履いてください。It is the footwear the listener is asked to wear for the rainy conditions. A useful pattern is ブーツを履く in a new example. You would use it when talking about choosing or wearing boots.
を
を marks ブーツ as the object in ブーツを履いてください。It shows what the requested wearing action applies to. A useful pattern is [item]を + an action. Use it when naming the thing affected by an action.
履いて
履いて means put on or wear in ブーツを履いてください, referring to footwear. With ください, it makes a polite request to put on the boots. A useful pattern is [footwear]を履いてください. You would use it when asking someone to wear shoes or boots.
ください
ください makes ブーツを履いてください a polite request to wear the boots. It adds a courteous request meaning to the action before it. A useful pattern is [action in this request form]ください. Use it when asking someone politely to do something.
道
道 means path or road in 道に水たまりがあります。It identifies the place where the puddles are located. A useful pattern is 道に + somethingがあります. You would use it when describing something found on a road or path.
水たまり
水たまり means puddle in 道に水たまりがあります。It is the water collected on the path that the speakers need to avoid. A useful pattern is 水たまりをよけて歩いてください. You would use it when warning someone about puddles after rain.
あります
あります means there is or there are in 道に水たまりがあります。It states that the inanimate puddles exist on the path. A useful pattern is [place]に + [thing]があります. Use it when pointing out where an object or thing exists.
ゆっくり
ゆっくり means slowly in 水たまりをゆっくりよけて歩いてください。It tells the listener to move around the puddles at a careful, unhurried pace. A useful pattern is ゆっくり + an action. You would use it when asking someone to do something slowly.
よけて
よけて means avoid or move around in 水たまりをゆっくりよけて歩いてください。It describes moving so that the puddles are not stepped in, and it links with 歩いてください. A useful pattern is [obstacle]をよけて歩く. Use it when directing someone around an obstacle.
歩いて
歩いて means walk in 水たまりをゆっくりよけて歩いてください。With ください, it asks the listener to walk around the puddles. A useful pattern is [place or obstacle]をよけて歩いてください. You would use it when giving a walking instruction.
私
私 means I or my in 私のバッグ and 私も傘を持っていったほうがいいです。Its role depends on the following expression: の makes the bag belong to the speaker, while も marks the speaker as also taking an umbrella. You would use it when referring to yourself in a polite conversation.
の
の links 私 and バッグ in 私のバッグ, meaning the bag belongs to the speaker. A useful pattern is [person]の + [thing] for possession. Use it when identifying who owns or is associated with an object.
バッグ
バッグ means bag in 私のバッグはぬれるかもしれません and バッグをコートの下に入れておいてください。It is the item that may get wet and should be kept under the coat. A useful pattern is バッグを + an action. You would use it when talking about protecting or carrying a bag.
ぬれる
ぬれる means get wet in 私のバッグはぬれるかもしれません。It describes the possible result for the bag in the rain. A useful pattern is [thing]はぬれるかもしれません. Use it when warning that something may become wet.
かもしれません
かもしれません means might or may in 私のバッグはぬれるかもしれません。It presents the bag getting wet as a possibility rather than a certainty. A useful pattern is [possible event]かもしれません. You would use it when giving a cautious prediction.
コート
コート means coat in バッグをコートの下に入れておいてください。It is the clothing under which the bag should be placed for protection from rain. A useful pattern is コートの下に + an object or action. Use it when talking about a coat or something positioned under it.
下
下 means under or below in コートの下に入れておいてください。It identifies the position beneath the coat where the bag should be kept. A useful pattern is [object]の下に + an action. You would use it when describing a location below something.
入れて
入れて means put in or place inside in バッグをコートの下に入れておいてください。It asks the listener to place the bag under the coat. A useful pattern is [object]を[place]に入れてください. Use it when asking someone to put something into or under a specified place.
おいて
おいて adds the idea of leaving the bag in that position in バッグをコートの下に入れておいてください。Together with 入れて, it asks the listener to put the bag there and keep it there. A useful pattern is [object]を[place]に入れておいてください. You would use it when something should remain in a prepared position.
も
も means also or too in 私も傘を持っていったほうがいいです。It shows that the speaker, like the other person or situation already mentioned, should take an umbrella. A useful pattern is 私も + an action or plan. Use it when adding yourself or another item to what has already been mentioned.
傘
傘 means umbrella in 私も傘を持っていったほうがいいです。It is the item the speaker recommends taking because it is raining. A useful pattern is 傘を持っていく in a new example. You would use it when talking about taking an umbrella outside.
持って
持って means carry or take along in 私も傘を持っていったほうがいいです。Together with いった, it describes taking the umbrella with the speaker when going out. A useful pattern is [item]を持っていく in a new example. Use it when saying that someone will take an item to another place.
いった
いった contributes the meaning of going along or away from the current place in 持っていったほうがいいです。With 持って, the expression refers to taking the umbrella along when leaving. A useful pattern is [item]を持っていったほうがいいです. You would use it when recommending that someone take an item with them.
ほう
ほう presents an advised course of action in 持っていったほうがいいです. The whole expression recommends taking the umbrella. A useful pattern is [action]ほうがいいです. Use it when giving polite advice about what would be better to do.
いい
いい means good or advisable in 持っていったほうがいいです. In this expression, it says that taking the umbrella is the better choice. A useful pattern is [action]ほうがいいです. You would use it when recommending an action.
です
です gives the recommendation a polite sentence ending in 持っていったほうがいいです. It makes the advice sound courteous and appropriate between adults. A useful pattern is [polite statement]です. Use it when ending a polite statement.
それで
それで means with that or as a result in それで、ぬれにくくなります。It connects taking an umbrella with the result of becoming less likely to get wet. A useful pattern is [action or situation]。それで、+ result. You would use it when explaining a result that follows from something just mentioned.
ぬれにくく
ぬれにくく means less likely to get wet in それで、ぬれにくくなります。It describes becoming more resistant to getting wet because of the umbrella. A useful pattern is [condition or protection]で、ぬれにくくなります. Use it when explaining that something makes getting wet less likely.
なります
なります means becomes in それで、ぬれにくくなります。It shows a change into the condition of being less likely to get wet. A useful pattern is [状態]くなります for a change into a described condition. You would use it when explaining a resulting change.