复习英语遇到困难可以偶尔气馁，但决不可放弃，请仔细复习八年级英语期中知识点。以下是本站小编为你整理的八年级英语上期中复习，希望对大家有帮助!
Unit 1:
1. 表频率的词汇和短语：
always usually often never hardly ever
sometimes seldom once a day twice a month
three times a week every two weeks once in a while
2. 做事情的频率(how often you do things):
-What do you usually do in the morning?
-I usually read English books. Sometimes I walk in the garden.
I hardly ever exercise. I eat vegetables twice a week, but I never eat junk food.
3. 如何提问频率“多久一次”
Unit 2:
1. 询问别人身体状况：
What’s wrong with you?
What’s the matter with you?
What’s the trouble?
2. 提出建议(give advice and make suggestions)
-What’s wrong with you?
-I have a headache.
-You should go to bed and have a rest. You shouldn’t work late.
-I have a fever.
-You should drink a lot of water. You shouldn’t be stressed out.
Unit 3：
一般将来时：
1. 现在进行时“be+动词ing”可以用来表示一个在最近按计划或安排要进行的动作。
2. “be going to +动词原形”表示主观打算去做某事，表示“人”打算，计划，决定要去做的事。
3. 用“shall+动词原形”或“will+动词原形”表示一般将来时。
(shall只用于第一人称)
Unit 4：
谈论如何到达某地，以及以何种方式到达某地。
-How do you get to the museum?
-I get to the museum by subway. Sometimes I ride my bike to the museum.
注意区别：
(1)take the bus = go by bus
eg: I take the bus to get to school.
= I get to school by bus.
take the train = go by train
eg: He takes the train to go to school.
He gets to school by train.
take the subway = go by subway
take a taxi = go by taxi
go in a car = go by car
ride a bike = go by bike
walk = go on foot
Unit 5
情态动词“can”表示可能性，或现在决定将来的事。
练习用“Can …? ”发出邀请，接受或拒绝并给出原因：
-Can you come to my party on Monday?
-Sure, I’d love to. / Sorry, I can’t. I have to study for a test.
-Can she go to the movies?
-No, she can’t. She has to do her homework.
-Can he go to the football game tomorrow?
-No, he can’t. He has a driving lessons.
-Can they go to the concert tonight?
-No, they can’t. They are visiting their uncle.
Unit 6:
形容词比较级：
形容词比较级是用来表示事物的等级差别。
I. 形容词比较级的构成：
规则变化：
1. 一般单音节词末尾加-er。
tall-taller great-greater
2. 以不发音的e结尾的单音节词和少数以-le结尾的双音节词只加-r。
nice-nicer large-larger able-abler
3. 以一个辅音字母结尾的闭音节单音节词，双写结尾的辅音字母，再加-er。
big-bigger hot-hotter
4. “辅音字母+y”结尾的双音节词，改y为i，再加-er。
easy-easier busy-busier
5. 少数以-er，-ow结尾的双音节词末尾加-er.
clever-cleverer narrow-narrower
6. 其他双音节词和多音节词，在前面加more来构成比较级。
important-more important beautiful-more beautiful
不规则变化：
good-better well(健康的)-better
bad-worse ill-worse
old-older / elder many-more
much-more little(少的)-less
far(远的)-farther / further
II. 比较级句型：
英语期中复习二1. 比较级+than … …比…较为
A +动词+形容词比较级+than+B.
两者相比较，A比B更…一些。
I am older than you.
Mary is happier than Jane.
His brother is younger than I(me).
Beijing is more beautiful than Wuhan.
My sister has longer hair than mother is thinner than her father.
Jack is taller than Tom.
2. as…as
A+动词+as+形容词原级+as+B.表示A和B两者比较，程度相同，“…和…相同”。
My uncle is as tall as your father.
Tom is as honest as JohnMy dog is as old as that one.
A…+not+as+形容词原级+as+B 表示A，B两者程度不同，即A不如B那么…
My uncle is not as tall as your father.
Tom is not as honest as John.
This jacket is not as cheap as that one.
3. the same as 与…相同。
My friend is the same as me. We are both quiet.
A good friend likes to do the same things as me.