洪恩环境英语第五册 练习 11

　　Hello again!Lesson Eleven.

[00:-1.00]Answer some questions using could.

[00:-2.00]Listen to this examole.

[00:-3.00]Where's my hat?Is it in the bedroom?

[00:-4.00]It could be in the bedroom.

[00:-5.00]Are right?Let's try it.Where's my hat?Is it in the bedroom?

[00:-6.00]It could be in the bedroom.

[00:-7.00]I can't find my book.Is it on the desk?

[00:-8.00]It could be on the desk.

[00:-9.00]Who's at the door?Is it Robert?

[00:10.00]It could be Robert.

[00:11.00]Is this vase worth a lot of money?

[00:12.00]It could be worth a lot of money.

[00:13.00]Should we work on it ourselves?

[00:14.00]We ccould work on it ourselves?

[00:15.00]There's no name on this letter.Is if from Susan?

[00:16.00]It could be from Susan.

[00:17.00]Do you think you're wrong?     I could be wrong.

[00:18.00]Is this the train to Washington?

[00:19.00]It could be train to Washington.

[00:20.00]Is the post office closed now?     It could be closed.

[00:21.00]Good!Now answer the following questions with No and couldn't.

[00:22.00]Listen to the example.

[00:23.00]Is this painting worth a lot?

[00:24.00]No.It couldn't be worth a lot.

[00:25.00]OK.now you do it.Is this painting worth a lot?

[00:26.00]No.It couldn't be worth a lot.

[00:27.00]Are these documents a clue?

[00:28.00]No.They couldn't be a clue.

[00:29.00]Is thea Mary's husband?

[00:30.00]No.It couldn't be Mary's husband.

[00:31.00]Are these our seats?

[00:32.00]No.They couldn't be our seats.

[00:33.00]Is the treaty 1 in teh drawer?

[00:34.00]No.It couldn't be in the drawer.

[00:35.00]Is Diana the killer 2?

[00:36.00]No.She couldn't be the killer.

[00:37.00]Very good!Now listen.

[00:38.00]These couldn't be the clue,could they?What are these,anyway?

[00:39.00]They're the oldest documents in Stamford.

[00:40.00]Listen and repeat.

[00:41.00]These couldn't be the clue,could they?

[00:42.00]This kind of question is called a "tag 3 question."

[00:43.00]It is very easy to do,but you have to pay attention to the verbs.

[00:44.00]Listen to these examples

[00:45.00]"This couldn't be the clue(negative),could it(affirmative)?

[00:46.00]This could be the clue(affirmative),couldn't it (negative)?

[00:47.00]Now,after you hear the statement,add the correct tag question.

[00:48.00]Here's an example.I say,"He should call the police."

[00:49.00]And you say....He should call the police,shouldn't he?

[00:50.00]OK.Here we go.He should call the police.

[00:51.00]He should call the police,shouldn't he?

[00:52.00]You can meet me at the museum.

[00:53.00]You can meet me at the museum,can't you?

[00:54.00]We could hide the key.

[00:55.00]We could hide the key,couldn't we?

[00:56.00]The treaty is worth a fortune.

[00:57.00]The treaty is worth a fortune,isn't it?

[00:58.00]I should turn on the light.

[00:59.00]I should turn on the light,shouldn't I?

[-1:00.00]Philip Tate is the killer.

[-1:-1.00]Philip Tate is the killer,isn't he?

[-1:-2.00]These couldn't be the clue.

[-1:-3.00]These couldn't be the clue,could they?

[-1:-4.00]You aren't sure.     You aren't sure,are you?

[-1:-5.00]This isn't the Stamford Treaty.

[-1:-6.00]This isn't the Stamford Treaty,is it?

[-1:-7.00]He doesn't have an idea.     He doesn't have an idea,does he?

[-1:-8.00]That was easy,wasn't it?Now listen.

[-1:-9.00]It's worth a fortune.Are all these old documents worth money?

[-1:10.00]Yes.

[-1:11.00]Could this treaty be worth more than the others?

[-1:12.00]A lot more?     Oh,yes.

[-1:13.00]I could be wrong,

[-1:14.00]but I think there's a connection between the Stamford Treaty and the killer.

[-1:15.00]This could be a clue.

[-1:16.00]The letters th can be pronounced in two different ways.

[-1:17.00]Listen to the voiced TH sound in these words.

[-1:18.00]this

[-1:19.00]these

[-1:20.00]others

[-1:21.00]Now repeat.

[-1:22.00]this

[-1:23.00]these

[-1:24.00]others

[-1:25.00]the

[-1:26.00]the others

[-1:27.00]than the others

[-1:28.00]Now listen to the unvoiced TH sound in these words.

[-1:29.00]think

[-1:30.00]worth

[-1:31.00]Now repeat.

[-1:32.00]think

[-1:33.00]worth

[-1:34.00]worth a fortune

[-1:35.00]Now compare the two pronunciations.Repeat.

[-1:36.00]this  think

[-1:37.00]that  thank

[-1:38.00]then  thin

[-1:39.00]Repeat.

[-1:40.00]these  these old documents

[-1:41.00]are all these old documents

[-1:42.00]Are all these old documents worth money?

[-1:43.00]others  the others

[-1:44.00]than the others

[-1:45.00]worth more than the others

[-1:46.00]Could this treaty be worth more than the others?

[-1:47.00]think   but I think   but I think there's

[-1:48.00]But I think there's a connection.

[-1:49.00]This is the end of Lesson Eleven.