八年级英语上知识树

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量词
a piece of 一张 a bottle of 一瓶 a can of 一罐 one pound of 一磅 one teaspoon of 一茶匙 a box of 一盒 a bowl of 一碗
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情态动词：
can 能
may 可以
must 必须
I can swim. Can you swim? Yes, I can. / No, I can’t. I can’t swim. May I borrow your book? Yes, you can. / No, you can’t/mustn’t.
八年级英语上 知识树
7/6/2020
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形容词性与名词性 物主代词：
单数
复数
第一人 第二人
第三人称
第一人 第二人 第三人
称
称
称
称
称
形容词性物 my
your his her its our
your their
Leabharlann Baidu
主代词
名词性物主 mine yours his hers its ours yours theirs
代词
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Exp. 1. This is my book. 这是我的书。
This book is mine. 这本书是我的（书）。 2. This shirt is not his. 这衬衫不是他的。 It’s his brother Sam’s. 是他的兄弟山姆 的
（衬衫）。
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Tim climbed trees in his childhood.
Linda got a scooter on her birthday.
They went to the park last night.
Tim didn’t climb trees in his childhood.
Linda didn’t get a scooter on her
birthday.
They didn’t go to the park last week.
Did Tim climb trees in his childhood?
Yes, he did. / No, he didn’t.
Did Linda get a scooter on her birthday?
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形容词的比较级与最高级
不规则变化表
原级
good bad many much little ill far
比较级
better worse more more less worse farther further
最高级
best worst most most least worst farthest furthes
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一般将来时
：
肯定句 will+do
否定句 will not(won’t)+ do
一般疑问句 Will+ 主语+ do…?
I will do my best this year. You will get a lot of presents on your birthday. He will bring me a new book tomorrow. I will not tell you about it. You won’t be happy at the job. She won’t help her mother do the housework. Will you tell me about it? Yes, I will. / No, I will not(won’t) Will he be happy at the job? Yes, he will. / No, he will not(won’
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形容词的比较级与最高级
规则变化： 1． 词尾后加-er 或-est.
small-smaller-smallest new-newer-newest 2． 以不发音的-e 结尾的，加-r 或-st. large-larger-largest nice-nicer-nicest
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形容词的比较级与最高级
３． 以重读闭音节结尾的，双写词尾加-er 或-est. big-bigger-biggest thin-thinner-thinnest
４． 以辅音字母结尾加的，变 y 为 i 加-er 或-est. easy-easier-easiest heavy-heavier-heaviest
last month 上个月、
the day before yesterday前天、
in those days 在这些天里、
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in 1990
在1990年
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一般过去时：
肯定句 主语+动词过去式+（宾语） 否定句 主语+didn’t+动词原形+（宾语）
一般疑问句 Did+主语+动词原形+（宾语）？
Yes, she did. / No, she didn’t.
Did they go to the park last night?
Yes, they did. / No, they didn’t.
6
一般将来时：表示将要发生的动 作或存在的状态。
时间状语： tomorrow 明天、 the day after tomorrow 后天、 next week 下周、 after school 放学后、 in the future 将来、 in one month 一个月以后、
3. This is my bag. 这是我的包。 His are under the bed. 他的（包）在床下。
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一般过去时：表示在过去发生的动作或存 在的状态。
时间状语：
yesterday 昨天、
last week上周、
last year 去年、
two months ago 两个月之前、
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（介词）表地点方位的句型：
It’s next to… It’s beside… It’s behind… It’s to the left/right of…
It’s opposite to… It’s between…and… It’s in front of… It’s on the left/right…