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课件网) Unit3 Language in use Fill in the blanks. 1. _____ a model spaceship. 我刚刚做了个宇宙飞船模型。 2. ____ it _____ 它已经到达了吗？ 3. Astronauts _____ the moon. 宇航员已经去过月球了。 4. We have not found life on any other planets _____. 我们还没有在其他星球发现生命。 I’ve just made arrived yet have already been to yet Has [ 探究 现在完成时（二）] 一、与现在完成时连用的副词 1．already意为 “已经”，常用在肯定句中，一般位于助动词之后，实义动词之前。 I've already done my homework. 我已经做完我的家庭作业了。 2．yet意为“还，仍然”，常用于否定句和疑问句句末。 Have you visited the Great Wall yet 你参观过长城吗？ 3．just意为“刚刚”，常用在肯定句中，位于助动词之后，实义动词之前。 My father has just bought a new watch. 我父亲刚买了一块新手表。 4．before意为“以前”，可用于句末。 We have never met the man before. 我们以前从未遇见过这个人。 5．ever意为“曾经”，位于助动词之后，实义动词之前，其反义词为never。 Have you ever read the novel 你曾读过这本小说吗？ 二、have been to/in与have gone to 的区别 1．have been to 意为“到过，去过”，表示“曾到过某地”，而此时人已不在那儿了。 I have been to Jinan. 我去过济南。(现在已经回来了) 2．have gone to意为“去了”，现在人可能在去的途中或已在那个地方了，而不在说话人处。 Where is Lily Has she gone to the library 莉莉在哪儿？她去图书馆了吗？ 3．have been in sp.意为“曾经待在某地”，并且常和表示持续意义的时间状语连用。 My mother and I have been in Guangzhou since 2011. 自从2011年以来，我和妈妈就在广州。 1 Complete the news with already, just and yet. Spaceship on Mars! Astronauts have (1) _____ been to the moon but they have not been to any other planets. However, a spaceship (2) _____ arrived on Mars and it has (3) _____ sent back photos of the red planet. Is there life on Mars We do not know (4) _____. already just already yet 2 Look at these sentences. The spaceship has gone to Mars. It has gone there, but it has not come back yet. Astronauts have been to the moon. They went there and then they came back. Now choose the correct answer. 1. Astronauts have been / gone to the moon and returned. 2. The spaceship has been / gone into space. It will travel for ten days. 3. The astronaut has been / gone to the space station. He will come back tomorrow. 4. The spaceship has been / gone to the space station. It brought back two astronauts. 3 Complete the sentences with the expressions in the box. 1. A spaceship _____ to Mars. It is coming back to the earth next year. 2. Lots of astronauts _____ to the space station. They found it very interesting. 3. Some astronauts _____ to the moon twice. 4. Two British astronauts _____ to the space station. They will come back in January. have / has been have / has gone has gone have been have been have gone 4 Complete the conversation with the correct form of the verbs in brackets. Nicky: I’ve just (1) _____ (watch) a great TV programme about space. Did you know that scientists have (2) _____ (discover) water on Mars Bill: ... ...
