中考英語難點語法詳解
在初中英語教學中,語法的學習屬於初級階段,對以後系統學習英語至關重要。接下來本站小編爲你整理了中考英語難點語法詳解，一起來看看吧。
引導名詞性從句的what在從句中作主語、賓語、表語或定語。
(1)具有疑問代詞性質的what：意爲“什麼，什麼樣的”。如：
I don’t know what he needs. 我不知道他需要什麼。(what在賓語從句中作賓語)
(2)在名詞前表示感嘆的what：意爲“多麼”。如：
Only then did I recognize what silly mistakes I had made. 只是在那時我才意識到我犯了多麼愚蠢的錯誤。(what在賓語從句中作定語)
(3)具有關係代詞性質的what：意爲“所……的”。
相當於“the+名詞+that”或者all that，即好像是既包括了先行詞也包含了關係代詞，因此，有學者稱之爲關係代詞型what。如：
What (=The thing that) happened after that was interesting. 後來發生的事挺有意思。(what在主語從句中作主語)
China is not what (=the China that) used to be. (what在表語從句中作表語)
The boy dived into water and after what (the time that) seemed to be a long time, he came up again. 他跳進水裏，過了好像很久之後，他才又從水裏出來。(what在賓語從句中作主語)
中考英語難點語法詳解：since和forSince 用來說明動作起始時間，for用來說明動作延續時間長度。例如：
I have lived here for more than twenty years.我住在這兒二十多年了。
I have lived here since I was born. 我從出生起就住在這兒了。
注意：並非有for 作爲時間狀語的句子都用現在完成時。
I worked here for more than twenty years. (我現在已不在這裏工作。)
I have worked here for many years.(現在我仍在這裏工作。)
注意：用句型轉換的方法，很容易排除非延續動詞在有for/since結構的完成時中的誤用。
(1)(對)Tom has studied Russian for three years. = Tom began to study Russian three years ago, and is still studying it now.
(2)(錯)Harry has got married for six years. = Harry began to get married six years ago, and is still getting married now.
顯然，第二句不對，它應改爲 Harry got married six years ago. 或 Harry has been married for six years.
中考英語難點語法詳解：will與would的區別1.表示意願時的區別
will 表示現在的意願，would 表示過去的意願：
Go where you will. 你願到哪裏就到哪裏。
She asked if I would go with them. 她問我是否願意同他們一起去。
2.表示徵求意見或提出請求的區別
主要用於第二人稱的疑問句中，will 和 would 均可用，would 此時並不表示過去，而表示委婉語氣：
Won’t you take off your coat? 你要不要把大衣脫掉?
Will you please post the letter for me? 請幫我寄了這封信好嗎?
3.表示習慣和傾向性的區別
will 表示現在的習慣，would 表示過去的習慣：
This window won’t open. 這扇窗戶經常打不開。
When he was a child, he would often go skating. 他小時候經常去滑冰。
would like / would love可視爲習語，意爲“想要”，其後接名詞、代詞或不定式：
I would like a cup of tea. 我想要杯茶。
We would love to go with him. 我們想同他一起去。
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