備考是一種經(jīng)歷，也是一種體驗。每天進步一點點，基礎(chǔ)扎實一點點，通過考試就會更容易一點點。為您提供了“2020年12月大學(xué)英語四級重點語法知識三篇”，歡迎閱讀參考！更多相關(guān)訊息請關(guān)注！
【篇一】2020年12月大學(xué)英語四級重點語法知識
英語四級重點語法知識：條件狀語從句
連接詞主要有 if, unless, as/so long as, on condition that 等。.
if 引導(dǎo)的條件句有真實條件句和非真實條件句兩種。非真實條件句已在虛擬語氣中闡述。
unless = if not.
Let's go out for a walk unless you are too tired.
If you are not too tied, let's go out for a walk.
典型例題
You will be late ___ you leave immediately.
A. unless B. until C. if D. or
答案A。 句意：除非你立即走，否則你就回遲到的。可轉(zhuǎn)化為 If you dong leave immediately, you will be late. B、D句意不對，or表轉(zhuǎn)折，句子如為 You leave immediately or you will be late.
【篇二】2020年12月大學(xué)英語四級重點語法知識
英語四級重點語法知識：讓步狀語從句
though, although
注意： 當(dāng)有though, although時，后面的從句不能有but，但是 though 和yet可連用
Although it's raining, they are still working in the field.
雖然在下雨，但他們?nèi)栽诘乩锔苫睢?BR> He is very old, but he still works very hard.
雖然他很老，但仍然努力地工作。
Though the sore be healed, yet a scar may remain.
傷口雖愈合，但傷疤留下了。 (諺語)
典型例題
1) ___she is young, she knows quite a lot.
A. When B. However C. Although D. Unless
答案：C。意為雖然她很年輕，卻知道許多。
2) as, though 引導(dǎo)的倒裝句
as / though引導(dǎo)的讓步從句必須表語或狀語提前(形容詞、副詞、分詞、實義動詞提前)。
Child as /though he was, he knew what was the right thing to do.
= Though he was a small child, he knew what was the right thing to do.
注意： a. 句首名詞不能帶任何冠詞。
b. 句首是實義動詞，其他助動詞放在主語后。如果實義動詞有賓語和狀語，隨實義動詞一起放在主語之前。
Try hard as he will, he never seems able to do the work satisfactorily.
= Though he tries hard, he never seems…
雖然他盡了努力，但他的工作總做的不盡人意。
3) ever if, even though. 即使
We'll make a trip even though the weather is bad.
4) whether…or- 不管……都
Whether you believe it or not, it is true.
5) "no matter +疑問詞" 或"疑問詞+后綴ever"
No matter what happened, he would not mind.
Whatever happened, he would not mind.
替換：no matter what = whatever
no matter who = whoever
no matter when = whenever
no matter where = wherever
no matter which = whichever
no matter how = however
注意：no matter 不能引導(dǎo)主語從句和賓語從句。
(錯)No matter what you say is of no use now.
(對)Whatever you say is of no use now.
你現(xiàn)在說什么也沒用了。(Whatever you say是主語從句)
(錯)Prisoners have to eat no matter what they're given,
(對)Prisoners have to eat whatever they're given. 囚犯們只能給什么吃什么。
【篇三】2020年12月大學(xué)英語四級重點語法知識
英語四級重點語法知識：原因狀語從句
比較：because, since, as和for
1) because語勢，用來說明人所不知的原因，回答why提出的問題。當(dāng)原因是顯而易見的或已為人們所知，就用as或 since。
I didn't go, because I was afraid.
Since /As the weather is so bad, we have to delay our journey.
2) 由because引導(dǎo)的從句如果放在句末，且前面有逗 號，則可以用for來代替。但如果不是說明直接原因，而是多種情況加以推斷，就只能用for。
He is absent today, because / for he is ill.
He must be ill, for he is absent today.
【篇一】2020年12月大學(xué)英語四級重點語法知識
英語四級重點語法知識：條件狀語從句
連接詞主要有 if, unless, as/so long as, on condition that 等。.
if 引導(dǎo)的條件句有真實條件句和非真實條件句兩種。非真實條件句已在虛擬語氣中闡述。
unless = if not.
Let's go out for a walk unless you are too tired.
If you are not too tied, let's go out for a walk.
典型例題
You will be late ___ you leave immediately.
A. unless B. until C. if D. or
答案A。 句意：除非你立即走，否則你就回遲到的。可轉(zhuǎn)化為 If you dong leave immediately, you will be late. B、D句意不對，or表轉(zhuǎn)折，句子如為 You leave immediately or you will be late.
【篇二】2020年12月大學(xué)英語四級重點語法知識
英語四級重點語法知識：讓步狀語從句
though, although
注意： 當(dāng)有though, although時，后面的從句不能有but，但是 though 和yet可連用
Although it's raining, they are still working in the field.
雖然在下雨，但他們?nèi)栽诘乩锔苫睢?BR> He is very old, but he still works very hard.
雖然他很老，但仍然努力地工作。
Though the sore be healed, yet a scar may remain.
傷口雖愈合，但傷疤留下了。 (諺語)
典型例題
1) ___she is young, she knows quite a lot.
A. When B. However C. Although D. Unless
答案：C。意為雖然她很年輕，卻知道許多。
2) as, though 引導(dǎo)的倒裝句
as / though引導(dǎo)的讓步從句必須表語或狀語提前(形容詞、副詞、分詞、實義動詞提前)。
Child as /though he was, he knew what was the right thing to do.
= Though he was a small child, he knew what was the right thing to do.
注意： a. 句首名詞不能帶任何冠詞。
b. 句首是實義動詞，其他助動詞放在主語后。如果實義動詞有賓語和狀語，隨實義動詞一起放在主語之前。
Try hard as he will, he never seems able to do the work satisfactorily.
= Though he tries hard, he never seems…
雖然他盡了努力，但他的工作總做的不盡人意。
3) ever if, even though. 即使
We'll make a trip even though the weather is bad.
4) whether…or- 不管……都
Whether you believe it or not, it is true.
5) "no matter +疑問詞" 或"疑問詞+后綴ever"
No matter what happened, he would not mind.
Whatever happened, he would not mind.
替換：no matter what = whatever
no matter who = whoever
no matter when = whenever
no matter where = wherever
no matter which = whichever
no matter how = however
注意：no matter 不能引導(dǎo)主語從句和賓語從句。
(錯)No matter what you say is of no use now.
(對)Whatever you say is of no use now.
你現(xiàn)在說什么也沒用了。(Whatever you say是主語從句)
(錯)Prisoners have to eat no matter what they're given,
(對)Prisoners have to eat whatever they're given. 囚犯們只能給什么吃什么。
【篇三】2020年12月大學(xué)英語四級重點語法知識
英語四級重點語法知識：原因狀語從句
比較：because, since, as和for
1) because語勢，用來說明人所不知的原因，回答why提出的問題。當(dāng)原因是顯而易見的或已為人們所知，就用as或 since。
I didn't go, because I was afraid.
Since /As the weather is so bad, we have to delay our journey.
2) 由because引導(dǎo)的從句如果放在句末，且前面有逗 號，則可以用for來代替。但如果不是說明直接原因，而是多種情況加以推斷，就只能用for。
He is absent today, because / for he is ill.
He must be ill, for he is absent today.