Errors in the use of Verbs in English Grammar : Part 4

Incorrect	Correct
Nobody Knew that he was (live) in a forest.	Nobody Knew that he was living in a forest.
The principal said that those who had not worked hard (fail).	The principal said that those who had not worked hard had failed.
She told me his name after he (left), I then (remember) he used to come to us at Dehradun. I asked her when he (come) again.	She told me his name after he had left, I then remembered, he used to come to us at Dehradun. I asked her when he (come) again.
Birds usually (built) nests in trees.	Birds usually build nests in trees.
His company was (seek) after by all.	His company was sought after by all.
We heard that the inspector (pay) a visit to our school next month.	We heard that the inspector would pay a visit to our school next month.
I (knock), I do not think anybody (be) in.	I have knocked, I do not think anybody is in.
The children (watch) the film since 6.30 p.m.	The children will have been watching the film since 6.30 p.m.
As he (examine) the papers, he found that one paper (disappear) from the room.	As he examined the papers, he found that one paper had disappeared from the room.
Five days from today we (be) on the train at this time.	Five days from today, we will be on the train this time.