Free Grammar & Vocabulary Exercises for ESL, ELT, EFL, ESOL Teachers & Students & more...

English, ESL Grammar Test : Using conjunctions WHILE & DURING. "While" is used with a subject and a verb. While I was playing with my cat, my sister was doing her homework.

During -The preposition "during" is used to represent the length of time of an action that is while the action is happening.
"During" is used with a noun/pronoun (or any other form of nouns).