Das
In this dialogue, "Das" means “this” or “that” and is the subject of the evaluation. It points to the thing being described in "Das ist sehr gut" and "Das ist nicht gut". A reusable pattern is "Das ist ..." when evaluating or identifying something.
ist
"ist" means “is” in these sentences and links the subject with an evaluation or description. It is the form of "sein" used here with "Das" and "Es". Reuse it in patterns such as "Das ist ..." or "Es ist ..." when describing something.
sehr
"sehr" means “very” and strengthens the adjective in "sehr gut", "sehr einfach", and "sehr schwierig". It comes directly before the adjective it intensifies. Use "sehr + adjective" to give a strong evaluation or description.
gut
"gut" means “good” in "Das ist sehr gut" and describes a positive evaluation. With "sehr", it expresses a strong positive judgment. Use "gut" after "ist" when saying that something is good.
nicht
"nicht" makes the evaluation negative in "Das ist nicht gut", meaning that something is not good. Here it comes before the adjective "gut". A reusable pattern is "nicht + adjective" for negating a description.
zu
"zu" means “too” in "zu groß" and "zu klein", showing that a size exceeds what is suitable. It comes directly before the adjective. Use "zu + adjective" when something has more or less of a quality than is appropriate.
groß
"groß" means “big” in "Das ist zu groß". Together with "zu", it says that something is bigger than suitable. Use "groß" after "ist" to describe the size of a thing.
klein
"klein" means “small” in "Das ist zu klein". Together with "zu", it says that something is smaller than suitable. Use "klein" after "ist" to describe the size of a thing.
Es
In "Es ist sehr einfach" and "Es ist sehr schwierig", "Es" means “it” and is the sentence subject. It refers to the thing or situation being described. A reusable pattern is "Es ist ..." when describing something without naming it again.
einfach
"einfach" means “easy” in "Es ist sehr einfach" and describes the level of difficulty. With "sehr", it expresses that something is especially easy. Use "Es ist einfach" to say that a task or situation is easy.
schwierig
"schwierig" means “difficult” in "Es ist sehr schwierig" and describes a high level of difficulty. With "sehr", it expresses that something is especially difficult. Use "Es ist schwierig" to say that a task or situation is difficult.