1.enjoy/avoid/be busy doing sth. 忙于/喜歡/避免做某事例如：
Lin Tao is busy making a model plane.林濤正忙著做飛機模型。
My mother enjoys taking a walk after supper.我媽媽喜歡晚飯后散步。
He managed to avoid being punished.他設法逃脫了懲罰。
2.fill...with...用......裝滿......;be filled with......充滿了......;be full of充滿......
be filled with說明由外界事物造成的此種狀態，表示被動。例如：
The box is filled with food.盒子里裝滿了食物。
be full of說明主語處于的狀態，此外，還可以表示程度，意為“非常”，例如：
The patient’s room is full of flowers.那個病人的房間擺滿了花。
The young man is full of pride.那個年輕人非常驕傲。
這兩種結構還可以相互改寫，例如：
I fill the box with food.=The box is full of food.
3.be good/bad for 有利于/有害于......
此句型是：be+adj.+for+n.結構。例如：
Doing morning exercises is good for your health.做早操對你的健康有益。
Always playing computer games is bad for your study.總玩電腦游戲對你的學習不利。
4.be used to (doing) sth.習慣于......后面必須跟動名詞或者名詞，可用于現在、過去、將來的多種時態，be可用get,become來代替。例如：
He is used to living in the country.(He is used to the life in the country.)他習慣于鄉村生活。
He will get used to getting up early.他將會習慣于早起。
注意：be used to do 的意思是“被用來做......”例如：
Wood is used to make paper.木材被用來造紙。
5.both...and...兩者都......
用來連接兩個并列成分;當連接兩個并列主語時，其后謂語動詞用復數。例如：
Both he and his parents agree with the idea.不論他還是他父母都同意這一想法。
6.as...as和......一樣
中間必須用形容詞或者副詞原級。例如：
This classroom is as big as that one.這間教室和那間一樣大。
He runs as fast as Tom.他和湯姆跑的一樣快。
否定結構：not as/so...as,“不如......”，上面的兩個句子可分別改為
This classroom is not as/so as large as that one.這間教室不如那間大。
He doesn’t run as/so fast as Tom.他跑的不如湯姆快。
7.as soon as一......就
用來引導時間狀語從句。若主句是一般將來時，從句要用一般現在時表示將來時，例如:
I’ll tell him the plan as soon as I see him.我一看到他就告訴他這個計劃。
He’ll go home as soon as he finishes his work.他一完成工作就回家。
8.can’t help doing sth.禁不住做某事
His joke is too funny. We can’t help laughing.他的笑話太有趣了，我們禁不住笑了起來。
9.sth. costs sb. some money 某物花費了某人多少錢
此句型的主語是物。cost一詞帶的是雙賓語,它的過去式、過去分詞和原形一樣。
The book cost me five yuan.這本書花費了我五元錢。
10.either...or...不是......就是......，或者......或者......
用來連接兩個并列成分，當連接并列主語時，謂語動詞與鄰近的主語保持一致。
Either she or I am right.=Either I or she is right.不是她對就是我對。
11.enough(for sb.)to do sth.足夠......做......
在此結構中，for用來引出不定式的邏輯主語。例如：
The ice isn’t thick enough for you to walk on.這冰還沒有厚到你可以在上面可以走的程度。
12.feel like doing sth. 想要做某事
此處like為介詞，后面跟動詞-ing形式，此句型與would like to do sth.同義。例如：
I feel like drinking a cup of milk.我想喝一杯牛奶。
13.feel/find/think it adj./n. to do sth.認為某事......
在此結構中it為形式賓語，不定式短語做真正的賓語。例如：
I find it very interesting to play football.我認為踢足球很有趣。
14.get ready for sth./to do sth.“為某事做準備”“準備做某事”
They are getting ready for the meeting.他們正在為會議做準備。
We were getting ready to have a sports meeting at that moment.他們那時正準備開運動會。
15.get/receive a letter from 收到......的來信 相當于hear from例如：
Did you receive a letter from John? 你收到約翰的來信了么?
I got a letter from my brother yesterday.我昨天收到了我弟弟的一封來信。
16.had better (not) do sth. 最好(別)做某事
had better 為情態動詞，其后需要動詞原形。had better常用縮寫，變成’d better,其否定形式是在其后直接加not。例如：
We had better go now.=We’d better go now.我們最好現在走吧。
You’d better not go out because it is windy.今天刮風，你最好別出去了。
