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原因状语从句和目的状语从句

• 他早起以便他能够赶上首班车。 • He got up early so that he could catch the first bus.
• 谓语前常含有may, might, can, could, should, would 等情态动词。
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原因状语从句
原因状语
• Afraid oຫໍສະໝຸດ being late, they came by taxi. 因为怕迟 到,所以他们坐出租车来的。
• Thank you for reminding me . 谢谢你提醒我。
• I’ll have to have my watch replaced because there is something wrong with the alarm.
because和because of
• because+ 从句 • because of+ 名词短语
• 他因病不能来。 • He can’t come because he is ill. • He can’t come because of his illness.
Read and combine.
→ Since you do not understand, I will explain again.
目的状语从句
引导词
• so that,in order that等 • “以便”
• I lent him $50 in order that he might go for a holiday. • 我借给他50美元,以便他能去度假。
(1)回答why,只能用because。
A:Why can’t I go? B:__Be_c_au_s_e _ you are too young.
(2)不能将because, since, as等与so连用 。
2. ___A_____ he is ill, ______he cannot come. A. Because, / B. Because, so C. Though, but D. Though, /
• I bought the house simply. • It is large. • → I bought the house simply because it is large.
1.Everybody stays under the tree. It is very hot.
→ As it is very hot, everybody stays under the tree.
引导词
• Because,since,as等
• 语气强弱 • because> since> as
• because不知道原因 • since原因明显,已知 • as双方都知道
• They bumped her off _b_e_c_au_s_e__ she knew too much. • 因为她知道太多,所以他们把她干掉了。
2.The boy couldn’t draw money from the ATM. He forgot the pin.
→ The boy couldn’t draw money from the ATM because he forgot the pin.
3.I will explain again. You do not understand.
• __S_in_c_e you are free today, you had better help me with my mathematics.
• 既然今天你休息, 你最好帮我补习数学。
• _A_s__it is raining, you’d better take a taxi. • 因为在下雨, 你最好乘出租汽车。
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