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The children left dirty marks all over the kitchen floor.
I put a mark in the margin to remind me to check the figure.
They stood up as a mark of respect when the guest entered the room.
He got the best mark in this English test.
经典短语透视
【短语1】consist of
【点拨】consist of意为"由……构成(组成)"，不用于进行时和被动语态。如:
Our dinner consisted of four courses only.
【拓展】consist of的同义短语为be made up of。如:
The committee is made up of five members.
= The committee consists of five members.
consist in 意为"在于"，与lie in同义。如:
The future of a nation consists in its education.
= The future of a nation lies in its education.
【短语2】dress up
【点拨】dress up在句中意为"打扮"，常用作dress up as sb."打扮成某人"；dress up in sth."穿着……衣服"。如:
Don’t bother to dress up for the party， for it is informal.
My mom dressed up as a witch in Halloween last year.
Children often enjoy dressing up in their parents’clothes.
【拓展】dress up还可意为"把……打扮起来，给……穿上衣服"。如:
While Lily was being dressed up， Mary was playing with the cat.
热点语法聚焦
一、常用时态被动语态的构成形式
一般现在时 is / am / are + 动词的过去分词
一般将来时 will / shall + be + 动词的过去分词
现在完成时 has / have + been + 动词的过去分词
现在进行时 is / am / are +being +动词的过去分词
一般过去时 was / were + 动词的过去分词
过去将来时 would be + 动词的过去分词 was / were going to be + 动词的过去分词
过去完成时 had been + 动词的过去分词
过去进行时 was / were + being+动词的过去分词
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