七年级英语下册语法及易混单词及用法?

七年级英语下册语法及易混单词及用法?

动词：
help sb. with / do
want = would like / like / hate / decide + to do / doing
let / make / feel + do
mind / practice / enjoy / stand + doing
have fun + doing
give sb. sth = give sth. to sb.
be busy doing sth.
talk on the phone
talk with / to sb.
stop doing 停止做某事
stop to do 停止做手中的事,去做另一件事
将来时：
结构：1). will do 2). be going to (do) 3). be doing
will not = won't shall not = shan't
其他：
1) 表示移动性的瞬间动词,用于进行时,表将来.
在英语中,类似come等等动词被称为移动性动词,其进行时态可以表将来,移动性动词还有：
go, leave, start, begin 等.(移动性动词的现在分词可以代替be going to 中的going)
例句：The train is coming.
2) 在时间或条件状语从句中,如果主句是一般将来时,祈使句或有情态动词是,则从句用一般现在时来表示将来.如：
He won't go home if he doesn't finish his homework.
如果他不完成作业,他不会回家.
固定搭配：
do well in = be good at
be / come from
write to sb. = write a letter to sb. 给某人写信
in front of 在……前面
如：There is a tree in front of the classroom.
in the front of 在……（内）的前面
如：There is a desk in the front of the classroom.
in the neighborhood = near here
the beginning of …… ……的开始
at the beginning of …… 在……的开始
in the beginning 起初
have fun = have a good time = enjoy oneself
get to + 地方 arrive in + 大地方(Beijing) arrive at + 小地方(restaurant)
go across 从物体表面穿过 (go acoss the street 横过马路)
go through 从空间穿过 (go through the forest 穿过森林)
kind of 点,稍微 kinds of 各种各样的
mine = my + sth. yours = your + sth. hers = her + sth.
its = it + sth. ours = our + sth. theirs = their + sth.
形容词的比较：
同级比较：
肯定句：as …… as
否定句：not so …… as
比较级：
……than…… / .……or ……
1) 规则变化 + er (如 younger / shorter)
2) 以字母e结尾,只加r.(如 wider / nicer) 　
3) 辅音字母以y结尾,去掉y,再加ier(如 happier)
4) 双写最后一个字母再加er,(如 bigger)
特殊变化：good / well -- better many / much -- more bad / badly -- worse
多音节形容词用 more / less (如 more / less interesting)
最高级：
*（最高级前要加the）
1) 规则变化 + est (如 youngest)
2) 以字母e结尾,只加st (如 nicest)
3) 辅音字母以y结尾,去掉y,再加iest(如 happiest)
4) 双写最后一个字母再加est,(如 biggest)
特殊变化：good / well -- best many / much -- most bad / badly -- worst
多音节形容词用 more / least (如 more / least interesting)