八级英语下册Module3JourneytospaceUnit3Languageinuse导学案(无答案)(新版)外研版

Module 3 Journey to space

Unit 3 Language in use

【学习目标】

1. 知识目标. 体验课文经典例句，进一步感知现在完成时的用法。

2. 能力目标：明确一般过去时与现在完成时的区别；熟知并运用现在完成时的标志词并

熟练运用。

3. 情感目标：学以致用，完成相应练习。

【重点及难点】

现在完成时的标志词：yet, already等的用法。

【学习步骤】：

Step 1 Revision

Review the text of Unit 1 and Unit 2 .

Step 2 Language practice

1. Read through the example sentences in the box with the whole class.

2. Repeat the sentences in the box.

Step 3 Complete the news with already, just and yet.

1. Grammar: 在现在完成时的句子中，already(已经)、just(已刚刚)常用于____________，放在have和has的后面，yet(还、尚、仍然)常用于_________和_____________，（放在have 和has的后面也可放在句末）。

2. 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) ______________.

Step 4 Look at these sentences.

1. Grammar: have/has been to与have/has gone to的区别

have/has been to表示___________________________。have/has gone to表示__________________________________

2 Look at these sentences in Activity 2.

1) The spaceship has gone to Mars.

It has gone there, but it has not come back yet.

2) Astronauts have been to the moon.

They went there and then they came back.

3. Now choose the correct answer.

1) ____________________________________________

2) ____________________________________________

3) ____________________________________________

4) ____________________________________________

Step 5 Complete the sentences with the expressions in the box.

1. Read through the expressions in the box in Activity 3.

have / has been have / has gone

2. Read through the sentences in Activity

3.

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.

3. C omplete the sentences with the expressions in the box.

Step6 Complete the conversation.

1. Read through the conversation.

Nicky: I’ve just (1) ____________ ( watch ) a great TV programme about space. Did you know that scientists have (2) _____________( discover ) water on Mars ? Bill: Yes, I did. And scientists (3) ____________ ( try ) to find life on Mars now. Nicky: Yes, they’re looking for life but they (4) ____________( not find ) anything yet.

Bill: There were some new photos of Mars in the newspaper today. (5) ___________