in 表示“在??之后”常用于将来时。 I’ll come back in three days. 我三天后回来。 【词语辨析】in after
1）in 指以现在为起点的“在一段时间以后”也可表示“在将来的多少时间之内”句中谓语动词用将来时
I can finish the work in two days. 我两天之内能完成这项工作。 She will graduate in two years. 她两年后毕业。
2）after 指以过去时间为起点的“在一段时间以后”，所以与过去时态连用。当after指某个特定的未来时刻或日期之后，或指一将来某一时间为起点的若干时间之后时，他可以与将来时态连用。
Eg.He started on Sunday and arrived in Beijing after three days. 他周日启程三天后抵达的北京。
I’ll be back after three o’clock. 他三点之后回来。
4.There will be fewer people. There will be less free time.there will be more pollution .
会有较少的人，较少的空闲时间，更多的污染
? fewer 是few 比较级，其后接名词复数。“较少的，少量的”与less 是同义。 I have fewer friends in my class.在我们班我有较少的朋友。 ? less 是little 的比较级，其后接不可数名词。“较少的，少量的”
? more 是many 和much 的比较级 即可跟不可数名词也可跟复数名词。“更多” He has more money and more friends 他有更多的钱和更多的朋友。
There will be less pollution in the future.将来会有较少的污染。 5.(be)in great danger.处于极度危险中。 They are in great danger .他们处于极度危险中 We should save animals in danger. 我们应该拯救处于危险中的动物。
6.There are already robots working in factories. There be+n. +v.ing .某地有某人正在
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做某事
There are many girls singing in the room . 有许多女孩正在房间里唱歌。 7.over and over again 反复地
He plays the same music over and over again. 他反复地弹奏同一首曲子。 8.do the same things as us 和我们做一样的事 the same?..as?..与?..一样 He wears the same shirt as his friend.他和他的朋友穿一样的衬衫。
9.Scientissts are now trying to make robots look like humans ? make sb. do …..使某人做?..
His boss often makes him work all day. 他的老板经常让他整天工作。 ? look like…. 看起来像?..
He looks like his father .他长的像他的爸爸。
10.It’s easy for children to wake up and know where they are. 对于孩子来说醒来并知道他们在哪里这是容易的。 It’s +adj. for sb. to ??.. 对于某人来说做?. 是?? It’s important for us to learn English well . 对于我们来说学好英语是重要的。 11.Some will look like humans ,and others might look like snakes. 有的看起来像人，还有的看起来或许像蛇。 ? Some……., others…… 有的?.. 还有的?.. ? One ……., the other…… 一个?? 另一个?..( 仅限于两者，或两部分) I have two friends . One is Tom. The other is Mary. 我有两个朋友一个是汤姆另一个是玛丽。
There are 50 students in our class. Five are boys,the other students are girls. 我们班有五十名学生。五个男生其余的是女生。
12.That may not seem possible now. 那现在似乎是不可能的。 ? seem+adj. 似乎?.. He seems happy.他似乎很高兴。 ? seem to…..似乎??
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