选修六语法Unit5Ving作状语精品PPT课件

grammar discovery look 几乎同时发生 make 1. Looking carefully at the ground, I made my way to the edge of the crater.
experience 发生在 take notice之前 2. Having experienced quite a few earthquakes
他怎么还不来呢?
6.V-ing 作结果状语：
Jane fell off the bike, cutting her leg. He worked day and night, making himself exhausted.
动词-ing 作状语
•V-ing 作状语时表示的动作是主语动作的一部分，与谓语表示 的动作或状态同时或几乎同时发生的，或是先于谓语动词发生， 它的逻辑主语与句子的主语一致。V-ing 作状语常表示时间、 条件、原因、方式、伴随、让步、结果，多用逗号跟句子其他 成分隔开。
2. _H__a_vi_n_g_g_i_v_en__ the opinion about protecting the environment, she left the meeting.
3. _H_a_v_i_n_g_b_o_u_g_h_t__ the precious necklace, she had no money left.
V-ing 的时态和语态:
时态
一般式 肯定,否定
主动
doing not doing
被动
being done not being done
完成式 having done having been done
肯定,否定 not having done
not having been done
He sat there. He read a newspaper. He sat there and read a newspaper. He sat there, reading a newspaper.
3.V-ing 作原因状语：
常置于句首,一般可转化成由 _a_s_,_b_e_c_a_u_s_e__ 引导的 原因状语从句。
Because he was ill, he didn’t go to school.
相当于
Being ill, he didn’t go to school.
4.V-ing 作条件状语：
1.V-ing 作伴随状语：
2.V-ing 作时间状语：
相当于时间状语从句,常置于句首,有时为了突出时间, 其前可加 __w_h_e_n_,_w__h_il_e__ 等连词.
While crossing the street, you must be careful. 相当于 While you cross the street， you must be careful.
If I work hard,I’ll succeed one day.
Working hard, I’ll succeed one day.
5.V-ing 作让步状语： Though he knows where I live, he never comes to see me.
(Though)Knowing where I live, he never comes to see me.
4. _H__a_vi_n_g_s_p_e_n_t___all day at home writing, the novelist went out for a walk in the evening.
5. _H_a_v_i_n_g_a_r_ri_v_e_d_ early for his date, Mark spent time reading the newspaper.
2. As we have invited him here to speak, we’d better go to his lecture.
Having finished her work, she went home.
Having invited him here to speak, we’d better go to his lecture.
He sat there, reading a newspaper.
While crossing thl.
Being ill, he didn’t go to school.
Working hard, I’ll succeed one day. Knowing where I live, he never comes to see me.
Jane fell off the bike, cutting her leg.
1. Looking carefully at the ground, I made my way to the edge of the crater.
2. Having experienced quite a few earthquake in Hawaii already, I didn't take much notice.
Practice
Complete the sentences with the perfect –ing form of verb: arrive, give, spend, take, and buy.
1. _H_a_v_i_n_g_t_a_k_en__the wrong bus, Tom found himself in an unfamiliar district.
in Hawaii already, I didn't take much notice.
having done结构: 当从句位于动作先于主句动作发生，有 明显的先后顺序时，用having done
V-ing 形式的完成式练习
1. After she had finished her work, she went home.