He gave me a book for my birthday.
I was given a book for my birthday.

Your house is bigger than mine.
My house is smaller than yours.

The question was so difficult that we can't answer it.
The question was too difficult for us to answer.

He did his homework, and then he went to bed.
After he did his homework, he went to bed. / After doing his homework, he went to bed.

Jane doesn't speak English as well as Betty.
Betty speaks English better than Jane.

What a pity I broke the vase.
I wish I hadn’t broken the vase.

I will come here next week. I will phone you.
If I come here next week, I will phone you.

Do you want someone to wake you up tomorrow morning?
Do you want to be woken up tomorrow morning?

I'm sorry I don't live near my work.
I wish I lived near my work.

Mary is one of the most excellent pupils in my class. Do you know her?
Do you know Mary, one of the most excellent pupils in my class?

Keep quiet or I'll scream.
Unless you keep quiet, I’ll scream.

I regret speaking to him so severely yesterday.
I wish I hadn’t spoken to him so severely yesterday.