2023年初中條件狀語(yǔ)從句 要點(diǎn)

條件狀語(yǔ)從句

要點(diǎn)： 表示狀語(yǔ)從句由連詞if, unless (=if not) 引導(dǎo)。

1.if it doesn’t rain tomorrow, we will go hiking.

如果明天不下雨, 我們就去遠(yuǎn)足.

2.you will get good grades if you study hard.

如果你努力學(xué)習(xí),就會(huì)取得好成績(jī).

3.i will go to the party unless he goes there too.

我不會(huì)去參加聚會(huì)的, 除非他也去.(如果他不去,我也不去.)

4.you will be late unless you leave immediately.

如果你不馬上走,你將會(huì)遲到的.(=if you don’t leave immediately, you will be late.)

難點(diǎn)提示：用條件狀語(yǔ)從句時(shí)要注意時(shí)態(tài)的正確使用,當(dāng)主句是將來(lái)時(shí)的時(shí)候,從句要用一般現(xiàn)在時(shí).

lhe will not leave if it isn’t fine tomorrow.

一般將來(lái)時(shí)， 一般現(xiàn)在時(shí)

lthey are going to have a picnic if it doesn’t rain next week.

一般將來(lái)時(shí), 一般現(xiàn)在時(shí) 考點(diǎn)　三、原因狀語(yǔ)從句

要點(diǎn): 由連詞because, since, as引導(dǎo), 也可由for, now that 等詞引導(dǎo)

1.i didn’t go to school yesterday because i was ill.

我昨天沒(méi)去上學(xué)，因?yàn)槲疑�病了�?/p>

2. since everybody is here, let’s begin our meeting.

既然大家都來(lái)了, 讓我們開(kāi)始開(kāi)會(huì)吧.

3. as you are in poor health, you should not stay up late.

既然你身體不好, 你就不該熬夜.

4.i asked her to stay to tea, for i had something to tell her.

我請(qǐng)她留下來(lái)喝茶,因?yàn)槲矣惺乱�告訴她.

.難點(diǎn)——because , since , as , for,辨析

在語(yǔ)氣上，because 最重, 表示的是直接理由,回答why 時(shí)只能用它. 其次是since, as ,一般不表示原因, 而是表明理由, 進(jìn)一步說(shuō)明.(譯為：由于，既然). for 被認(rèn)為是復(fù)合句的并列連詞(常用于推斷),表示理由.

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