实用法宝
1. 祈使句的肯定形式和否定形式:
Walk the dog at 7:00. (Please) don‘t chase the cat.
2. 情态动词should, ought to & must 的用法
should (应该)/ shouldn‘t(不应该),
ought to(应该)/ ought not to(不应该), must (必须)/ mustn‘t (不可以,不允许)。 8A Unit 1
1. 描述性形容词,如:short, long, round, interesting,funny, slim, important, beautiful等。
比较级和最高级 ① 规则的bigger / the biggest more important/
the most important
② 不规则的 worse / the worst
3. 表示“比较”的句式:as + 形容词+as ----- ―和。。。一样‖
not as / so + 形容词 + as——“。。。。不如。。。”
8A Unit 2
1. 比较两者间的数量用以下句式:more….than, fewer….than., less… than 例: I have more / fewer apples than you. (后跟复数名词)
I have more / less free time than he/ him.(后跟不可数名词)
2.比较两者以上间的数量用 the most, the fewest, the least.
例: Amy scored the most/ fewest points of all.
Daniel has the least money of the three..
3.用 like & alike 来比较。例:
My skirt is / looks like hers. = My skirt and hers are alike.
4. 用词组 the same as & be different from来比较
8A Unit 3
1. and, but, or(或者)的用法。
2. 动词+ to do 这些动词有:plan, agree, want, decide, choose, hope, learn, prepare等。
3.反身代词:myself, yourself, yourselves, ourselves, himself, herself, itself, themselves 8A Unit 4
由if引导的条件状语从句
1. 用来描述可能出现的情况,主句时态用将来时,如:
If it doesn‘t rain tomorrow, we will go to the park..
2.用来描述反复的、可预见的情况,主句时态用一般时。如:
If tigers are hungry, they attack people.
8A Unit 5
1. 用一般现在时表示“将来”。如:The train leaves at 9:00.
2.用现在进行时表示“将来”,如:We are leaving for Shanghai this evening.
3.方式副词:quietly, gently, easily, well…往往由形容词+ly变成副词,如:
quiet – quietly, easy—easily, possible – possibly
少数副词和形容词同形,如:fast, early, long 等。
注意:good—well, near—nearly , hard -- hardly
8A Unit 6
1. 表示原因的连词:because , as, since. (这些词放在原因从句之前,主句不能再用so.)
2.表示命令、请求、建议的句式:tell / ask / order /advise / warn sb. (not) to do sth.
8B Unit 1
现在完成时
1. 结构: have / has + PP 表示动作发生在过去但对现在仍有影响。
2. 肯定、否定和疑问形式
3. 常用的一些时间状语,如:already, ever, for, since, just, never, yet等。
4. for + 一段时间, since + 过去的一点时间/ 用过去式的从句,相对应的主句动词要用延
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