家族
家族 means “family” here, in the question 家族と暮らしていますか. It names the people someone lives with, and it can be followed by と when expressing living with them. You could use it when asking about someone’s family life.
と
In 家族と暮らしていますか and 子どもと暮らしています, と marks the person someone lives with. A reliable reuse pattern is a person or group + と + 暮らす. The same form also links nouns in 子どもと犬, meaning “the child and the dog.”
暮らしています
暮らしています means “live” or “live with” in 家族と暮らしていますか and 子どもと暮らしています. The dictionary form is 暮らす, and 暮らしています is the polite form used for a current living situation. Use it to describe who someone lives with.
か
か turns the preceding statement into a question, as in 家族と暮らしていますか and 家にペットもいますか. It appears at the end of these polite questions. Use it when asking for information rather than making a statement.
子ども
子ども means “child” here, in 子どもと暮らしています and 子どもと犬は仲がいいですか. In the first sentence, it refers to the child B lives with. It can be followed by と to show a companion or to link it with another noun.
家
家 means “home” or “house” here, in 家にペットもいますか. It identifies the place where the pet may be. A common reuse pattern is 家に + something that exists or is located there.
に
In 家にペットもいますか, に marks 家 as the place where the pet exists. With a place and いる, it helps ask what or who is there. Use it after a location when describing where something is.
ペット
ペット means “pet” here, in 家にペットもいますか. It refers generally to an animal kept at home, before the dialogue specifies a dog. You can use it when asking whether someone has an animal at home.
も
も means “also” or “too” here, in 家にペットもいますか. It adds the pet as another thing being asked about in addition to the family. Use it after the noun or phrase that is also included.
小さい
小さい means “small” here and directly describes the dog in 小さい犬. It appears before the noun it describes. A reliable reuse pattern is an adjective such as 小さい + a noun when describing its size.
犬
犬 means “dog” here, in 小さい犬を飼っています and 子どもと犬は仲がいいですか. It first identifies the pet and later identifies one of the two subjects being discussed. It can be followed by を when it is the pet someone keeps or by は when it is the topic.
を
を marks 小さい犬 as the object in 小さい犬を飼っています. It shows what is being kept as a pet. A common reuse pattern is a noun + を + verb.
飼っています
飼っています means “keep” or “have as a pet” here, in 小さい犬を飼っています. The dictionary form is 飼う, and this polite form describes an ongoing pet-keeping situation. Use it after the animal and を when saying that you keep a pet.
は
は marks 子どもと犬 as the topic in 子どもと犬は仲がいいですか and 子どもと犬は毎日一緒に遊びます. The rest of each sentence gives information about that topic. A common reuse pattern is a noun or noun phrase + は + information about it.
仲がいい
The whole expression 仲がいい means “get along well” in 子どもと犬は仲がいいですか. 仲 refers to the relationship, が marks that relationship within the expression, and いい describes it as good. Use it when asking or saying that two people or animals have a good relationship.
です
です is the polite sentence ending in 仲がいいですか. Here it makes the statement about the relationship polite before か turns it into a question. Use it after a polite description when speaking in a polite style.
毎日
毎日 means “every day” here, in 子どもと犬は毎日一緒に遊びます. It tells how often the action happens and shows that the playing is a daily routine. A common reuse pattern is 毎日 + a verb.
一緒
一緒 means “together” here, in 一緒に遊びます. With に, it describes the way the child and dog play. Use it when two or more people or animals do an action together.
遊びます
遊びます means “play” here, in 子どもと犬は毎日一緒に遊びます. The dictionary form is 遊ぶ, and 遊びます is its polite form, used here for a regular activity. Use it when talking about children or animals spending time playing.