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I don’t know when (什么時(shí)候) he will e tomorrow. When(當(dāng) ……的時(shí)候) he es, I will tell him about the news. 我丌知道他明天什么時(shí)候來。 Be careful when you cross the road. 過馬路時(shí)要小心。 I need to get up early so that I can catch the early bus. 我需要早起 ,以便趕上早班車。 :引導(dǎo)詞有 if, unless。 【注意】 用 either…or…連接兩個(gè)并列成分作主語時(shí) ,謂語動(dòng)詞的數(shù)遵循“就近一致”原則。 Tom as well as I walks to school every day. 我和湯姆每天步行去上學(xué)。 考點(diǎn)一 并列連詞 He likes drawing and I like dancing. 他喜歡畫畫 ,我喜歡跳舞。 He got up late, he didn’t catch the early bus. 他起床晚了 ,所以沒趕上早班車。 :引導(dǎo)詞有 because, since, as。 :引導(dǎo)詞有 though, even though/if, although,