直到他的父母回来他才吃饭。
句型10:比较级+and+比较级
[意思]越来越......
The baby cried harder and harder.
那孩子哭得越来越厉害。
句型11:the+比较级,the+比较级
[意思]越......就越......
The more one has,the more one wants.
越有越贪。
句型12:...as+adj./adv.+as...
…not as(so)+adj./adv.+as...
[意思]A和B一样......
A不如B......
Do you think that art is as important as music?
你认为艺术和音乐一样重要吗?
Last Sunday the weather was not so wet as it is today.
上个星期天的天气不如今天的天气潮湿。
句型13:more/less+adj.+than...
[意思]A比B更......
A不如B......
I think art is less important than music.
我认为艺术不如音乐重要。
句型14:stop…from doing sth.
[意思]阻止......做某事
The Great Green Wall will stop the wind from blowing the earth away.
绿色长城将阻挡风吹走土壤。
句型15:both...and...
[意思]A和B都......
Both you and I are students.
我和你都是学生。
句型16:either...or...
[意思]要么…要么…;不是…就是…
Either you or he is wrong.
不是你错就是他错。
句型17:neither...nor...
[意思]既不......也不......
Neither he nor I am a student.
我和他都不是学生。
句型18:...as soon as...
[意思]一......就......