16.get + 比较级
The weather gets colder and colder, you'd better wear more clothes.
It's getting more and more dangerous.
The air here is getting cleaner and cleaner.
17.get ready for/get sth. Ready
Don't disturb him, he is getting ready for the final exam.
Did you get yourself ready for the coming football match?
They are getting ready for the party/ getting the party ready.
18.had better (not) do sth.
You had better turn down the radio. Can't you see mum is sleeping?
We'd better keep quiet in a restaurant
You'd better not eat too much fast food.
19.help sb. (to) do/help sb.with
She always helps her mother look after her little sister while her mother is away.
My brother used to help Mum with the housework
I often helped my classmates do the cleaning.
20.I don't think that
Let's send her to the beach. I don't think she knows the way.
I don't think it is safe for us to tell a stranger of our family online.
I think he can't speak Russian, or he won't speak German at the meeting.
21.I would like to /Would you like to…?
Would you like to buy me a new pet dog if possible? I promise to take good care of it this time.
Would you like to do me a favor?
I would like to be with my friends for the Spring Festival.
22.is one of the + 最高级 + n(pl.)…
We are all proud of Yao Ming because he is one of the best basketball players in the world.
Jay Chou is one of the most popular stars in China.
KFC is one of the hottest fast food restaurants in the world.
23.It is +adj. for sb. to do sth.
It's very interesting for children to watch all kinds of animals in the zoo, isn't it?
It's difficult for him to finish reading such a thick book within three days.
It is helpful for us to take notes in class.
24.It is a good idea to do sth.
It's a good idea to travel by train if you hate the rushed trip.
It's a good idea to decorate a Christmas tree at home on Christmas Eve.
It's a good idea to take a deep breath when you are nervous.
25.It is the second + 最高级 +n.
Hainan Island is the second largest island in China.
The Yellow river is the second longest river in China.
Osaka is the second largest city in Japan.
26.It looks like …/It sounds like …
Stop talking! Listen! That sounds like our teacher.
You bag looks like a koala.
That looks like salt but it's sugar instead.
27.It seems to sb. that…
It seems to me that Lily's English is the best in our class.
It seems to me that he is a easygoing guy
It seems to me that visiting the moon in my life is possible
28.It sounds +adj. /It looks +adj.
It looks very nice. What is it used for?
The clock looks lovely.
It sounds terrible to get to know that he didn't pass the final exam.
29.It takes sb some time. to do sth.
Could you tell me how long it took him to finish writing this great book?
It took them 12 hours to finish the journey.
How long did it take to build the three-storey restaurant.
30.It's bad/good for…
It's bad for your eyes to spend too much time playing computer games.
It's bad for you to eat too much fat.
It's not good for the pioneers to escape from the danger that time.