Advanced Grammar Review
While I ______ (walk) home yesterday, I suddenly ______ (see) my teacher
While I WAS WALKING home yesterday, I suddenly SAW my teacher
By the time we arrived at the station, the train ______ already ______ (leave)
By the time we arrived at the station, the train HAD already LEFT (Past Perfect)
Correct: She is knowing the answer but she doesn’t want to say it
She KNOWS the answer but she doesn’t want to say it (stative verb)