prefer ... to ...
I prefer apples to bananas.
It's very kind of you ...
It's very kind of you to do this for me.
and then ...
I got up at seven, and then I had my breakfast.
Congratulations on
Congratulations on your graduation from primary school!
when ...
When they arrived at the pool, they started swimming.
I am writing to ...
I am writing tell you about the wonderful holiday I've just had with my family.
I am sorry that ...
I am sorry that I cannot go camping with you next week.
would you ...
Would you mind if we play badminton tomorrow afternoon?
suddenly ...
I was walking along the street, suddenly, someone took my bag.
but ...
I looked into the door, but there was no one in the room
since ... (for a reason)
Since my old computer was broken, I really need to borrow yours.
I wish you ...
I wish you all the best luck.