Cấu Trúc Should Have / Could Have / Would Have — Bài Tập 4

She missed the train. She ___ left home earlier.

He failed the test. He ___ studied harder.

If I had had more time, I ___ done a better job.

I ___ helped him, I suppose, but frankly, after the way he treated me, I ___ brought myself to do it.

He ___ told us he was going to be late; we were waiting for an hour.

The experiment failed. The scientists ___ accounted for the change in temperature, which skewed the results.

It's a shame you didn't apply for the scholarship. You ___ gotten it.

I didn't know the answer, so I guessed. I ___ gotten it right, but I was lucky.

I ___ bought the tickets online, which would have been cheaper, but I forgot.

You ___ told me you were coming! I would have cleaned the house.