1. and
1).and 表示 “和、且”在肯定句中連接并列的成分。
He is laughing and talking .
2).祈使句+ and …… , “and” 表示“那么”之意。= If……
Study hard , and you will succeed .= If study hard , you will succeed .
2. but
表示轉(zhuǎn)折關(guān)系的連詞,意為“但是”
He is poor ,but honest .
3. or
1).or 有 “或”的意思,表示一種選擇
Would you like tea or water ?
2). “祈使句……,or …” or 表示否則。= If …not …, ……. .
Study hard , or you will fail. = If you don't study hard , you will fail .
3).or 用在否定句中表示并列關(guān)系。
He can’t read or write .
4. both
1).both “兩者都”, 后面的名詞、動詞都用復(fù)數(shù)。
Both the answers are right .
2).both of ….
Both of us are students .
3).both …and…
Both you and she are right .
5. either/ either …or
1).either “兩者當(dāng)中任何一個”,后有of 時接名詞的復(fù)數(shù)形式,無of時接單數(shù)名詞,動詞用單數(shù)形式。
You may wear either of the hats.
2).either …or… “不是……就是……,或者
……或者…….”動詞與臨近的主語保持一致。即 “就近原則”.
Either you or he has to go = Either he or you have to go .
6. neither /neither …nor…
1).neither “兩者當(dāng)中都不”,后有of 時接名詞的復(fù)數(shù)形式,無of時接單數(shù)名詞,動詞用單數(shù)形式。
Neither of the answers is right .
2).neither ….nor… “既不…….也不……”動詞與臨近的主語保持一致。即 “就近原則”.
Neither you nor I am right .= Neither I nor you are right .