人教版必修四英语第四单元语法课件
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When working in the factory, he was an advanced worker. =When_h_e__w_o_rk_e_d_i_n_t_h_e_f_ac_t_o_ry___, he was an advanced worker.
Though willing to attend the party, he refused the invitation.
5. 作伴随状语 置于句首或句末。如： They came into the classroom, singing and laughing.
=They sang and laughed; they came into the classroom.
他们又唱又笑地走进教室。
注意： 连词+现在分词 1. -ing短语与when, while, though, until, if等连词连用时，相当于这些 连词引导的一个从句。如：
Having received his letter, I decided to write back.
=After__I_h_a_d__r_e_c_e_iv_e_d__h_is__le_t_te_r__, I decided to write back.
收到他的信后，我决定给他回信。
注意：当v-ing形式所表示的动作发生在谓语动 词动作之前时，应使用完成式：having done
Though working from morning till night, his father didn’t get enough food. =Though_h_i_s_f_a_th_e_r_w__o_r_k_e_d_f_ro_m__m__o_r_n_in_g____ t_il_l _n_ig_h_t_, he didn’t get enough food. 虽然他父亲从早到晚拼命地干活，但是他还 是挣不到足够的吃的。
Choose the correct sentence.
1. a. Hearing the news, tears ran down
her face.
F
b. Hearing the news, she cried out
sadly.
T
2. a. Entering the classroom, I found
人教版必修四英语第四单元语法课件
-ing形式作状语
1.-ing短语在句子中可作状语，来修饰谓语动词 或整个句子，表示动作发生的 时间、原因、条件、结果、让步或伴随等情况。
2. -ing短语作状语一般表示一个次要的动作， 一般都可以变为相应的状语从句或并列句。
1. 作时间状语 -ing短语作时间状语要置于句首。如： Hearing the bad news, they couldn’t help crying. =When__th_e_y__h_e_a_rd__t_h_e_b_a_d__n_e_w_s_, they couldn’t help crying. 当听到这个不幸的消息时，他们情不自 禁地哭了起来。
time.
2. 动词-ing形式在句中作状语时，其逻
辑主语与主句的ห้องสมุดไป่ตู้语保持一致。如：
He traveled on the plane like this, keeping the tortoise hidden in a blanket. = When he traveled on the plane like this, he kept the tortoise hidden in a blanket.
= Though he was willing to attend the party, …
用 “连词+现在分词”的结构 If you play all day, you will waste your valuable time. = If playing all day, you will waste your valuable
_H_a_v_i_n_g_f_in__is_h_e_d__(finish) his homework, he rushed out to play basketball.
2. 作原因状语 -ing短语作原因状语置于句首。如： Being so angry, he couldn’t go to sleep.
saw a beautiful garden.
T
4. a. Reading the evening newspaper, a
dog started barking.
F
b. I was reading the evening newspaper
=Because__h__e_w_a_s__s_o__a_n_g_ry___, he couldn’t go to sleep. 因为太生气了，他不能入睡。
Having been to the Great Wall many times, he didn’t go last week. =_B_e__c_a_u_s_e__(A__s_)__he had been to the Great Wall many times, he didn’t go last week. 因为他已经去 过长城许多次，上周他就没去。
nobody in it.
T
b. Entering the classroom, nobody was
found in it.
F
3. a. Looking out through the window, the
garden was beautiful.
F
b. Looking out through the window, we
3. 作条件状语 -ing作条件状语置于句首或句末。如： Working hard, you will succeed. =If___yo_u__w_o_r_k_h_a_rd__, you will succeed. 如果你勤奋一点，你就会成功。
4. 作让步状语 -ing短语作让步状语，可置于句首或 句末，常与even if, though 连用。如：
Though willing to attend the party, he refused the invitation.
5. 作伴随状语 置于句首或句末。如： They came into the classroom, singing and laughing.
=They sang and laughed; they came into the classroom.
他们又唱又笑地走进教室。
注意： 连词+现在分词 1. -ing短语与when, while, though, until, if等连词连用时，相当于这些 连词引导的一个从句。如：
Having received his letter, I decided to write back.
=After__I_h_a_d__r_e_c_e_iv_e_d__h_is__le_t_te_r__, I decided to write back.
收到他的信后，我决定给他回信。
注意：当v-ing形式所表示的动作发生在谓语动 词动作之前时，应使用完成式：having done
Though working from morning till night, his father didn’t get enough food. =Though_h_i_s_f_a_th_e_r_w__o_r_k_e_d_f_ro_m__m__o_r_n_in_g____ t_il_l _n_ig_h_t_, he didn’t get enough food. 虽然他父亲从早到晚拼命地干活，但是他还 是挣不到足够的吃的。
Choose the correct sentence.
1. a. Hearing the news, tears ran down
her face.
F
b. Hearing the news, she cried out
sadly.
T
2. a. Entering the classroom, I found
人教版必修四英语第四单元语法课件
-ing形式作状语
1.-ing短语在句子中可作状语，来修饰谓语动词 或整个句子，表示动作发生的 时间、原因、条件、结果、让步或伴随等情况。
2. -ing短语作状语一般表示一个次要的动作， 一般都可以变为相应的状语从句或并列句。
1. 作时间状语 -ing短语作时间状语要置于句首。如： Hearing the bad news, they couldn’t help crying. =When__th_e_y__h_e_a_rd__t_h_e_b_a_d__n_e_w_s_, they couldn’t help crying. 当听到这个不幸的消息时，他们情不自 禁地哭了起来。
time.
2. 动词-ing形式在句中作状语时，其逻
辑主语与主句的ห้องสมุดไป่ตู้语保持一致。如：
He traveled on the plane like this, keeping the tortoise hidden in a blanket. = When he traveled on the plane like this, he kept the tortoise hidden in a blanket.
= Though he was willing to attend the party, …
用 “连词+现在分词”的结构 If you play all day, you will waste your valuable time. = If playing all day, you will waste your valuable
_H_a_v_i_n_g_f_in__is_h_e_d__(finish) his homework, he rushed out to play basketball.
2. 作原因状语 -ing短语作原因状语置于句首。如： Being so angry, he couldn’t go to sleep.
saw a beautiful garden.
T
4. a. Reading the evening newspaper, a
dog started barking.
F
b. I was reading the evening newspaper
=Because__h__e_w_a_s__s_o__a_n_g_ry___, he couldn’t go to sleep. 因为太生气了，他不能入睡。
Having been to the Great Wall many times, he didn’t go last week. =_B_e__c_a_u_s_e__(A__s_)__he had been to the Great Wall many times, he didn’t go last week. 因为他已经去 过长城许多次，上周他就没去。
nobody in it.
T
b. Entering the classroom, nobody was
found in it.
F
3. a. Looking out through the window, the
garden was beautiful.
F
b. Looking out through the window, we
3. 作条件状语 -ing作条件状语置于句首或句末。如： Working hard, you will succeed. =If___yo_u__w_o_r_k_h_a_rd__, you will succeed. 如果你勤奋一点，你就会成功。
4. 作让步状语 -ing短语作让步状语，可置于句首或 句末，常与even if, though 连用。如：