He is short,while his brother is tall.他個子矮,而他兄弟個子高-
He worked hard, however, he failed.他很努力,然而還是失敗了。( however可置句首、句中或句末)
The pain was bad,still he did not complain.他痛得厲害,可是他并沒有呻吟
3.表示選擇關(guān)系的并列連詞
表示選擇關(guān)系的并列連詞有:or(或),or else(否則),otherwise(要不然),either. . . or...(或,••…或……,不是……就是….. ) , rather than(而不,也不)
I must work hard,or I‘ll fail in the exam.我得認真學(xué)習(xí),否則不能通過考試。
Either you or I am to blame.不是你就是我會受到批評
You can either do it by yourself,or you can ask someone else to do it.
你可以自己做,也可以請人做。
Seize the chance, otherwise( or else) you‘ll regret it.
抓住機會,否則你會后悔的。( otherwise, or else常接在祈使句后面)
You can either stay at home or go fishing.你可以呆在家里,或是去釣魚:
He went rather than stay as an unwelcome guest.他走了,不愿留下來做個不受的客人。
4.表示因果關(guān)系的并列連詞
表示因果關(guān)系的并列連詞有:so(所以),for(因為)
It is moming,for the birds are singing.是早晨了,因為鳥叫了。
It was late, so I went home.天色已晚,因此我就回家了。
[注意]then(那么,因而),thus(因而),hence(因此),therefore(因此,所以)等副詞常可放句首表示因果關(guān)系He was busy,therefore he could not come.他忙,因此不能來。
He studied hard,thus he got a full mark.他很用功,因而得了滿分、
His car broke down,thus he was late for work.他的車壞了,因此他上班遲到。
It is winter now,hence the days will be shorter.現(xiàn)在是冬天,因此白天會短些。
(三)從屬連詞
用來連接主句和從句的連詞叫從屬連詞從屬連詞可分為兩類:引導(dǎo)名詞性從句的從屬連詞和引導(dǎo)狀語從句的從屬連詞
1.引導(dǎo)名詞性從句的從屬連詞
引導(dǎo)名詞性從句的從屬連詞有連接詞that, whether和if,這些連接詞在句中不充當任何句子成分;連接代詞主要有who, whom, whose, which, what等,它們在句中可作主語、賓語、定語等;連接副詞主要有when, where, how, why等,它們在句中可作狀語(詳情見名詞性從句)。