2022年中考英语一轮复习人教版八年级上册Unit1 -Unit4必背知识清单
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| 名称 | 2022年中考英语一轮复习人教版八年级上册Unit1 -Unit4必背知识清单 |  | |
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| 资源类型 | 教案 | ||
| 版本资源 | 通用版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-03-10 14:58:46 | ||
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seem的用法
seem+名词/形容词,“似乎是…,好像是...”
He seems a nice man.
seem + to do sth.“似乎好像…”
She seems to be sleeping.
It seems + that从句,“看起来好像...”
It seems that it is going to rain right away.
【拓展】
seem to do sth.和It seems/seemed that/as if 从句,这两个句式可以互换
It seems that he is very happy.
=He seems to be very happy.
decide的用法
decide(not)to do sth.决定（不）做某事
decide on/upon(doing)sth.决定（做）某事
decide+宾语从句
decide+疑问词＋to do
名词为decision, make a decision做决定
try的用法
try to do sth.尽力、设法做某事
try doing sth.尝试做某事
try one's best to do sth.尽某人最大努力做某事
have a try试一试
try on试穿
常见频度副词辨析（always, usually, often, sometimes, hardly与never)
频度副词一般用在实义动词之前，be动词、助动词或情态动词之后。用百分比来表示频度副词的频率
always usually often sometimes hardly never
100% 90% 60% 40% 20% 0%
（1)always“总是；永远”，语气最强，指在一切时候，没有例外
（2)usually“通常”，很少有例外
（3)often“往往；经常”，不如usually频繁，侧重动作发生的次数具有经常性，具体时间意味不强。
（4)sometimes“有时”，表示动作偶尔发生
（5)hardly“几乎不”，常和ever连用表示强调
（6)never“从不”，其频率为零
It's+adj.(+for/of sh.)+to do sth,句式
It's+adj. (+for/of sb.)+to do sth,意为“做某事（对某人而言）是…的”, it是形式主语,后面的动
词不定式为真正的主语。
【拓展】
在该句型中，若形容词（如 easy, important, necessary等）是对动作进行评价，则其后用介词for;若形容调（如 kind, friendly, nice, clever, foolish等）用来描述人的性格或品质，则其后用介词of.
It's very nice of you to give away so much money to the school.
It's difficult for us to climb up the tree.
辨析 both, all, neither与none
both意为“两者都”，表达肯定意思
Both of the twin sisters are good at dancing.
all意为“全部”,用于表示“三者及三者以上全部”,表达肯定意思
All the people applaud for him.
neither意为“两者都不”，为both的否定形式，表达否定意思
The old man has two sons, but neither of them lives at home.
none意为“一个也没有”,为all的否定形式,用于表示“三者及以上都不”,表达否定意思
There are so many people here, but I'm familiar with none of them.
辨析beat与win
beat意为“打败；战胜”，后接战胜的对手，beat sb.意为“打败某人；赢了某人”
He always beats me in tennis.
win意为“赢得；获得”，后接某种比赛、奖品、荣誉或战争等，不能接参赛的选手
They won the baseball game.
as...as的用法
（1)as+adj./adv.(原级）＋as...意为“与…一样…”，二者是同级比较，此时前一个as不能用so替
换，其否定形式为not as/so+adj./adv. (原级）＋as…,意为“不如...”
Tom's book is as new as hers.
Our vacation is not as long as yours.
（2)若有修饰成分，如 twice, three times, half, a quarter等，则须置于第一个as之前
Your bag is twice as expensive as mine.
辨析 give, provide 与offer
give“递给，赠送，传递”，为普通意义上的“给予”
give sb. sth ＝give sth.to sb.
offer“主动提出，自愿给予”，对方可接受也可拒绝
offer sb.sth. ＝offer sth. to sb.
provide
“提供，供应”，强调有预见，并通过储存等方式为某事做准备
provide sth. for sb = provide sb. with sth.
seem+名词/形容词,“似乎是…,好像是...”
He seems a nice man.
seem + to do sth.“似乎好像…”
She seems to be sleeping.
It seems + that从句,“看起来好像...”
It seems that it is going to rain right away.
【拓展】
seem to do sth.和It seems/seemed that/as if 从句,这两个句式可以互换
It seems that he is very happy.
=He seems to be very happy.
decide的用法
decide(not)to do sth.决定（不）做某事
decide on/upon(doing)sth.决定（做）某事
decide+宾语从句
decide+疑问词＋to do
名词为decision, make a decision做决定
try的用法
try to do sth.尽力、设法做某事
try doing sth.尝试做某事
try one's best to do sth.尽某人最大努力做某事
have a try试一试
try on试穿
常见频度副词辨析（always, usually, often, sometimes, hardly与never)
频度副词一般用在实义动词之前，be动词、助动词或情态动词之后。用百分比来表示频度副词的频率
always usually often sometimes hardly never
100% 90% 60% 40% 20% 0%
（1)always“总是；永远”，语气最强，指在一切时候，没有例外
（2)usually“通常”，很少有例外
（3)often“往往；经常”，不如usually频繁，侧重动作发生的次数具有经常性，具体时间意味不强。
（4)sometimes“有时”，表示动作偶尔发生
（5)hardly“几乎不”，常和ever连用表示强调
（6)never“从不”，其频率为零
It's+adj.(+for/of sh.)+to do sth,句式
It's+adj. (+for/of sb.)+to do sth,意为“做某事（对某人而言）是…的”, it是形式主语,后面的动
词不定式为真正的主语。
【拓展】
在该句型中，若形容词（如 easy, important, necessary等）是对动作进行评价，则其后用介词for;若形容调（如 kind, friendly, nice, clever, foolish等）用来描述人的性格或品质，则其后用介词of.
It's very nice of you to give away so much money to the school.
It's difficult for us to climb up the tree.
辨析 both, all, neither与none
both意为“两者都”，表达肯定意思
Both of the twin sisters are good at dancing.
all意为“全部”,用于表示“三者及三者以上全部”,表达肯定意思
All the people applaud for him.
neither意为“两者都不”，为both的否定形式，表达否定意思
The old man has two sons, but neither of them lives at home.
none意为“一个也没有”,为all的否定形式,用于表示“三者及以上都不”,表达否定意思
There are so many people here, but I'm familiar with none of them.
辨析beat与win
beat意为“打败；战胜”，后接战胜的对手，beat sb.意为“打败某人；赢了某人”
He always beats me in tennis.
win意为“赢得；获得”，后接某种比赛、奖品、荣誉或战争等，不能接参赛的选手
They won the baseball game.
as...as的用法
（1)as+adj./adv.(原级）＋as...意为“与…一样…”，二者是同级比较，此时前一个as不能用so替
换，其否定形式为not as/so+adj./adv. (原级）＋as…,意为“不如...”
Tom's book is as new as hers.
Our vacation is not as long as yours.
（2)若有修饰成分，如 twice, three times, half, a quarter等，则须置于第一个as之前
Your bag is twice as expensive as mine.
辨析 give, provide 与offer
give“递给，赠送，传递”，为普通意义上的“给予”
give sb. sth ＝give sth.to sb.
offer“主动提出，自愿给予”，对方可接受也可拒绝
offer sb.sth. ＝offer sth. to sb.
provide
“提供，供应”，强调有预见，并通过储存等方式为某事做准备
provide sth. for sb = provide sb. with sth.