Unit 1 The world of our sense教案
mary has been caught in the rain. mary had been caught in the rain.
但是，賓語從句表示事實、格言、諺語等，從句的時態仍用一般現在時。
2.在主語從句、表語從句或同位語從句中，也要注意主從句的謂語動詞要一致，關鍵要注意動作發生的先后。
who will win the first prize in the contest is not known to us.
have you any idea why he was so rude?
四、語氣
1.只要表示“命令、建議、要求”的各類名詞性從句，都要用虛擬語氣 should + 動詞原形，should 可以省略。
had done necessary/ important
2.wish did (be --were) 3. it is strange (should) +動詞原形
would do a pity/ a shame
五.賓語從句否定詞的轉移 i don't think he will come.
六、 if和whether表“是否”，一般情況下可以通用，下列情況下不可通用。
1.主語從句句首 2.表語從句 3.介詞之后
4.不定式之前 5.緊跟or not 6. 同位語從句
7. 賓語從句前移whether she will win the game, i’m not sure.
七.that和what
that不充當任何成分，what可以在從句中充當成分：主語、賓語、表語。that在賓語從句中可以省略。下面幾種情況不可以省略：
1.主語從句 2. 表語從句
3. 同位語從句
once aristotle had made up his mind that heavy objects always fell faster than light objects.
4. it作形式賓語，that 引導的真正賓語從句
they want to make it clear to the public that they do an important and necessary job.
5. 兩個或多個并列的that引導的賓語從句，只有第一個that可省
mr smith told the workers( that )john had worked very hard and that he wanted him stay.
八.1. whoever=anyone who, whichever, whatever=anything that = 名詞/代詞+（相關的）連接代詞
he gave whoever came to the door a smile.= he gave any person who came to the door a smile.
比較：he asked me who broke the glass.（正確） 他問我是誰打的玻璃。