They ________ serving meals by the time we get to the restaurant.

Mark was listening to music while his sister_______ a book.

You______ here for my party, won't you?

Can I borrow your bike on Monday? I'm sorry, but_____ it.

We______ the concert. It was really good.

It was 10 p.m. Most of the shops_____ just______

There's no more apples. We ______ them all.

She_______ music all day. Now she fells tired.

After he________ the house, he wrote a letter.

They_____ me about it last week.

I_______ here at the end of the month.

I hope everything______ fine.

My grandfather______ many years ago.

I______________ my son the money for that last week.

Yesterday I passed by Peter's house, but the front door was closed. He__out.

Must + have + V3: chắc là đã, hẳn là đã (nói về ý kiến trong quá khứ)

Where ________ you at 9:00 last night, Mr. Green?

I ________ the dishwasher on when heard the shot.

Now I _______ for what I said about you. It wasn't true and I shouldn't have said it.

- do + V-infi : nhấn mạnh hành động

Tim was tired. He ______ hard all day.