哭求八年级上册英语U3-U4语法句型

U3:（1）leave可意为“离开、出发”，其过去式为left,短语leave for意思是向某地出发。
（2）leave可意为“留下、遗留、忘带”如I left my keys at home.
（3）leave可作名词，意为“假期”如Jim has three weeks' leave.

U4：（1）take可意为“拿、带”，如Could you take my schoolbag to the classroom, please?
(2)take可意为“花费”如It take her twenty minutes to walk to school every day.常用句式It take sb. some time/money to do sth.表示“某人做某事花费多少时间/金钱
（3）take可意为“吃、服用”如Take the medicine three times a day.
(4)take可意为“乘”如My father usually takes the bus to work.

1. should表示义务或责任。其意为““”：We should learn from each other. 我们应该互相帮助。We should help the aged. 我们应该帮助老人。You should pay your debts. 你应该还债。You should pay your debts.

2. should 表示建议或劝告。其意为“应该”：You should give up smoking. 你应该戒烟。You should go and ask your teacher. 你应该去问问老师。【注】有时语气较强，含有命令的意味：You should leave at once. 你应该马上离开 。

3. should 表示推断。表示推断。意为“应该”、“可能”：They should be there by now, I think. 我想现在他们都已经到了。The concert should be great fun. 音乐会应该很有意思。The poems should