150分求八年级下新课标英语6,7,8单元重要知识点重点句型

Unit 6 How long have you been collecting shells?
重点语法：现在完成进行时态
do/does 的现在完成进行时态形式：have/has been doing
do/does 的现在完成进行时态的被动语态：have/has been being done
现在完成进行时态所应用的场合：
①某事从过去发生一直持续到现在都在做
②过去发生的动作对现在造成影响
例：我已上了三年初中.
I have been in Junior School for 3 years.
自从那次他与我谈过心后,我天天都在进步.
I have been making progress since he talked with me that time.
现在完成进行时态的肯定句、否定句和疑问句形式：
肯定句例句：I have been skating for five hours.
否定句例句：I haven't been skating for five hours.
一般疑问句例句：Have you been skating for five hours?
特殊疑问句例句：How long have you been skating?
注意：瞬间动词不能和一段时间连用.
例句：你借这本书已经多长时间了?
How long have you been keeping this book?
重点短语：run out of 用完；用尽
by the way 顺便说说
be interested in doing sth.对某事感兴趣
more than 比……多
far away 在远处
would like to do sth.= want to do sth.= feel like doing sth.想要做某事
send sb.sth.= send sth.to sb.把某物赠送给某人
in fact 实际上
room 房间（用于可数名词）；空间（用于不可数名词）
common → more common → the most common 形容词 common 的原级、比较级和最高级
Unit 7 Would you mind turning down the music?
重点语法：mind [one's] doing sth.介意（某人）做某事
重点短语：not at all 一点也不
turn down 调节使音量变小
right away = in a minute = at once 立刻；马上
wait in line 排队等候
cut in line 插队等候
hasn't = has not
keep ...down 压低声音；使缓和
at first = first of all 首先
take care 当心；小心
take care of = care about = look after 关心；照顾
break the rule 违规
obey the rule 遵守规定
put out 熄灭
pick sth.up 捡起某物
wait for sb.等候某人
depend on 依赖；依靠
get back = return 要回
mean → meant → meant 动词 mean 的原形、过去式和过去分词
Unit 8 Why don't you get her a scarf?
重点语法：询问别人为什么要做或者不做某事
why don't you do sth.= why not do sth.
例句：Why don't you get her a camera?= Why not get her a camera?
what about = how about
例句：How about some tennis balls?= What about some tennis balls?
重点短语：fall asleep 入睡
give away 赠送；分发
hear of = hear about 听说
take an interest in = be interested in 对……感兴趣
make friends with 与……交友
make progress 取得进步
keep → kept → kept 动词 keep 的原形、过去式和过去分词
feed → fed → fed 动词 feed 的原形、过去式和过去分词
fall → fell → fallen 动词 fall 的原形、过去式和过去分词
hear → heard → heard 动词 hear 的原形、过去式和过去分词