【You must be more careful!】
You must be more careful!你一定要小心!
这也是一种祈使句,祈使句一般不加主语。但加上主语,反而起一种强调作用。例如:
You go out!
你出去。
You come here!
你过来!
You do it a hundred times.
你做一百遍。
【When the lights are red the traffic must stop.】
When the lights are red the traffic must stop.当红灯亮了,交通停止。
这是一个新的语法现象,句中的when the lights are red 是一时间状语从句,由when引导,表示当红灯亮了的时候,在句中作状语。能引导状语从句的还有before(在之前),after(在之后)。(有关详细内容请参考本软件的语法部分)例如:
When I came into the classroom,I found no stunts there.
我进教室的时候,没有发现学生在那儿。
Please turn off the light when you leave the room.
离开房间的时候,请把电灯关了。
I can take care of your baby before you come back
你回来之前我可以给你看孩子。
【If you are not careful,a car may hit you.】
If you are not careful,a car may hit you.如果你不小心,汽车就会撞了你。
这是一个带有条件状语的从句,if 引导出一个从句,if 表示如果,注意从句的将来时要用一般时代替。(有关条件状语从句可参考本软件的语法部分)。例如:
If you dont understand,you can go to ask our teacher.
如果你不明白,你可以去问一问我们的老师。
If you want to study well,you must study hard.
如果你想学习好,你就要努力学习。
【If you jump the queue,other people will not be pleased!】
If you jump the queue,other people will not be pleased!如果你要插队,别人就不高兴。
Pleased 是一形容词,表示高兴,在句中作表语,后接with或者at短语,表示对感到满意,后接不定式,表示乐于干。例如:
My teacher is pleased with my homework.
我的老师对我的作业满意。
We were pleased when we heard the good news.
我们听到消息很高兴。
He is pleased to help others.
他乐于帮助别人。
【Everyone laughed at the womans mistake.】
Everyone laughed at the womans mistake.大家都对这位妇女的差错笑了。
Laugh at表示因有趣而发笑,或嘲笑。例如:
We all laugh at his funny story.
我们都对他的故事有趣而发笑。
Dont laugh at him.Its no polite.
别嘲笑他,这不礼貌。
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