初二年级英语《现在完成时》课件

5. We have started to look at other planets. ( just ) W__e__h_a_v_e_j_u_s_t_s_ta_r_t_e_d_t_o__lo_o_k__a_t_o_t_h_e_r_ p__la_n_e_t_s.
6. The space shuttle has returned from a visit to the space station.( just ) T__h_e_s_p_a_c_e_s_h_u_t_t_le__h_a_s_j_u_s_t _r_e_tu_r_n_e_d__ f_r_o_m__a__v_is_it__to__th__e_s_p_a_c_e_s_t_a_ti_o_n_.
She has done (finished) her homework. 我父母未曾坐船去过大连旅游。
My parents haven’t travelled to Dalian by ship.
她还没有完成作业。
She hasn’t done (finished) her homework. 你父母曾经坐船去大连旅游吗？
用来表示“已经”，一般置于have/has之 后，两者都用于肯定句，在否定句中则要
用yet,表示“还（未）”。如：
The scientists haven’t heard from it yet.
have been to 与have gone to 的区别 1. have (has) been to意为“曾经去过某 地”，表示现在已经不在那里了。可 与just, ever, never等连用。如：
Choose the correct words.
1. Astronauts have been / gone to the moon and returned safely.
2. The spacecraft has been / gone into space. It won’t return.
programme about space. Did you know that scientists have (2)_d_is_c_o_v_e_r_e_d_ (discover) water on Mars?
Bill: No! Really? That’s very interesting. (3)_H__a_v_e they _t_r_ie_d_ (try) to find life on Mars?
on Mars? 4. But astronauts have already been to the
moon.
Grammar
现在完成时用在什么地方呢？
当我们要表达“某人曾经做过某 事”,
“某人已经做了某事”等意思时, 英 语要用“现在完成时”来表达。
wk.baidu.com
现在完成时的结构：
has/have + done (动词过去分词)
3. The space shuttle has been / gone to the space station. It will come back tomorrow.
4. The space shuttle has been / gone to the space station. It brought back two astronauts.
Module 3
Language practice
1. Have you heard the latest news? 2. Some scientists have sent a spacecraft to
Mars. 3. And have the astronauts discovered life
I've just been to the post office. 我刚才去邮局了。
Have you ever been to Hangzhou? 你曾经去过杭州吗？
Mary has never been to the Great Wall. 玛丽从未去过长城。
have been to 与have gone to 的区别
Nicky: Yes, that’s right. So far there’s only life on earth.
Complete the passage with the words in
the box. already been haven’t just
never read written yet Dear Diary, I’ve (1)_j_u_s_t _ finished reading a great book at school. I haven’t (2)_r_e_a_d__ anything as good as that for a long time! It is a book about the solar system. It is so good
Have your parents travelled to Dalian by ship? 她已经完成作业了吗？
Has she done (finished) her homework?
要表达“刚刚做完某事”、“已经做完某事” 时，我们同样可以用现在完成时。如: I have just heard the news. Astronauts have already been to the moon.可以 看出，just 用来表示“刚刚”，already
Look at these sentences. The astronauts have gone to the space station. They’ve gone there, but they haven’t come back. The astronauts have been to the space station. They went there and they came back.
现在完成时的一般疑问句形式是：
I/We/You/They或人物的复数形式 have done sth
现在完成时的一般疑问句形式是：
Has she / he / it / 或sb的单数形式 done sth?
Have I / we / you / they / 或sb的复数形式 done sth?
我父母曾经坐船去大连旅游。 My parents have travelled to Dalian by ship. 她已经完成作业。
肯定句
否定句
I have worked. I hhaavveenn’ott worked.
He/She has worked. He/She hasnn’ot t worked.
They have worked. They hhaavvenn’ot t worked.
现在完成时的肯定形式是：
She / He / It / 或人物的单数形式 has done sth
—Where is Tom? 汤姆在哪里？
—He has gone to the bookshop. 他到书店去了。
与现在完成时连用的几个副词：
already, just, ever, yet, never 肯定句: already, just 疑问句和否定句:ever, yet, never yet 常置于句末 already, never, ever, just一般置于 助动词have/has之后，过去分词之前。
3. The spacecraft has reached Mars. ( just ) T__h_e_s_p_a_c_e_c_r_a_ft_h_a_s__ju__st_r_e_a_c_h_e_d__M__a_rs_.
4. We’ve known that there isn’t any life on the moon. ( already ) W__e_’_v_e_a_l_re_a_d_y__k_n_o_w__n_t_h_a_t_t_h_e_r_e_i_sn__’t a_n_y__li_f_e_o_n__th_e__m_o_o_n__.
Complete the sentences with the expressions in the box.
have / has been have / has gone
1. A spacecraft _h_a_s_g_o_n_e_to Mars. It’s coming back to Earth next year.
2. on / discovered / yet / life / they / Mars / haven’t /. T__h_e_y_h_a_v_e_n_’_t_d_i_s_c_o_v_er_e_d__li_f_e_o_n__M_a_r_s_ y_e_t_. _
3. already / astronauts / landed / moon / on / the / have. A_s_t_r_o_n_a_u_t_s _h_a_v_e_a_l_r_e_a_d_y_l_a_n_d_e_d_o_n t_h_e_m__o_o_n_. _
have (has) been to 后面可接次数，表示 去过某地几次。
I’ve been to Beijing three times. 我去过北京三次。
They have been to that village several times. 他们已经去了那个村庄好几次了。
have been to 与have gone to 的区别 2. have (has) gone to 意为“到某地去 了”，表示到了某地或正在去某地的途 中。总之，说话时该人不在现场，一般 不用第一、第二人称代词作句子的主语。 如：
2. Many astronauts have visited the space station. ( already ) M__a_n_y__a_s_tr_o_n_a_u_t_s_h_a_v_e__a_lr_e_a_d_y__v_is_i_te_d t_h_e__sp_a_c_e__s_ta_t_io_n_.
2. Lots of astronautsh_a_v_e__b_e_e_n_to the space station. They found it very interesting.
3. Some American astronauts_h_a_v_e_b_e_e_n to the moon several times.
Put the words in order to make sentences.
1. we / just / TV / programme / on / a / watch / have /. W__e__h_a_v_e_j_u_s_t_w_a_t_c_h_e_d__a_p_r_o_g_r_a_m__me o_n__T_V_.
4. A British astronaut _h_a_s_g_o_n_e_ to the space station. He’ll come back in January.
Complete the passage with the correct form of the verbs. Nicky: I’ve just (1)_s_ee_n_ (see) a great TV
A: Have you… ? B: Yes, …/ No, …
(using already, just, ever, yet, never)
Put the words in the correct place in each sentence.
1. They haven’t been to Mars. ( yet ) T__h_e_y_h_a_v_e_n_’_t_b_e_e_n_t_o__M__a_rs__y_e_t.
Nicky: Well, they’re looking for life but they (4) h__a_v_en__’t_f_o_u_n_d(not find) anything yet.
Bill: They’ve already (5)__fo_u__n_d_ (find) that there’s no life on the moon.