Question

I want to be a teacher when i ___?

Answer 1

Answer:

grow up

hope it helps you

Answer 2

I want to be a teacher when I grow up.

Explanation:

Grow up is the correct word to be used in the above sentence.

Grow up is a phrasal verb.

Phrasal verbs consists of a verb and one or more particles.

Grow up a phrasal verb that indicates the development of an individual to an adult.

Hence the sentence would be I want to be a Teacher when I grow up.