主语从句详解PPT课件

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【归纳总结】 1. 主语从句必须有引导词。 2. 主语从句用陈述句语气。
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1. 引导主语从句的词有 连词: that, whether； 连接代词: who, whose, whom, whoever, what, which等； 连接副词where, when, whenever, wherever, how, why等。
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请观察下列句子, 注意主语从句的特点。
1. That the earth travels round the sun is a wellknown fact. 2. whether the artist can do it or not is uncertain. 3. Who will act the lead in the play has not been decided yet. 4. Where the young man has gone is not known. 5. When and where the test will be given is not yet decided.
(1).It is clear who is afraid of having a change in land ownership. (2).__W__h_o_se___ bag it is can not be told. (3)._W__h_a_t_____ India needs is a law to make land ownership fair8er.
(4).It is not yet decided
__w__h_ic_h__cash crop will be
produced next year.
(5)._W__h_a_t_e_v_e_r___ he said was
right.
(6).W__h__o_e_v_e_r_ go there must get
ready by 6 o’clock.
9பைடு நூலகம்
3) 连接副词: when, where, why, how, how many, how much ,how long, how soon, how often
(1). _W__h_e_n____we’ll start tomorrow will be told soon. (2). _W__h_e_r_e____we can buy oxen is something we need to find out. (3)._H_o_w__/_W__h_e_n___he came here is not known.
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(4)._H__o_w_____ we can protect the
grain needs to be discussed.
(5). _H_o_w___m_a_n__y_people died from
starvation that year will never be known.
(6).H__o_w__o_f_te_n__he’ll go to see his
7. Whether he will come to the meeting is
unknown yet.
8. What we will do next is not decided.
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1. The villagers didn't realize how serious the pollution was until the fish in the river died. 2. They didn’t know my address. 3. Seeing is believing. 4. To do morning exercises this morning is not good for your healthy. 5. It is a great honor for us to be invited to the party. 6. That he will come here is of great help. 7. Whether he will come to the meeting is unknown yet. 8. What we will do next is not decided.
grandmother depends on the time he can spare.
geese remains to be decided. (4)._W__h__et_h_e_r__ he ’ll join us in the
discussion is of great importance. 7
2) 连接代词: who, whom, whose, what, which, whoever, whatever, whichever等。
4. To do morning exercises this morning is
not good for your healthy.
5. It is a great honor for us to be invited to the
party.
6. That he will come here is of great help.
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主语从句引导词的选择
1).连接词: that, whether 例:(1)._T_h_a_t___ he will win is certain. (2).It has been reported _t_h_a_t__sales
of beef in China will increase. (3)W.__h_e_th__er__ we shall raise ducks or
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请找出下面句子的主语
1. The villagers didn't realize how serious the
pollution was until the fish in the river died.
2. They didn’t know my address.
3. Seeing is believing.