Lesson86 What have you done?你已经做了什么？
一.Look,listen and repeat.
看图听录音，然后练习。
1.1st aired
What has she just done?
She has just aired the room.
2.2nd cleaned
What have they just done?
They have just cleaned their shoes.
3.3rd opened
What has he just done?
He has just opened the window.
4.4th sharpened
What has he just done?
He has just sharpened his pencil.
5.5th turned on
What has she just done?
She has just turned on the television.
6.6th listened to
What have they just done?
They have just listened to the news.
7.7th boiled
What has she just done?
She has just boiled some milk.
8.8th answered
What has he just done?
He has just answered the telephone.
9.9th emptied
What has she just done?
She has just emptied the basket.
10.10th asked
What has she just done?
She has just asked a question.
11.11th typed
What has she just done?
She has just typed a letter.
12.12th washed
What has she just done?
She has just washed her hands.
13.13th walked
What has he just done?
He has just walked across the park.
14.14th painted
What has he just done?
He has just painted the bookcase.
15.15th dusted
What has she just done?
She has just dusted the cupboard.
二.Written exercises书面练习
A Look at these two sentences.
注意以下两个例句。
She has already aired the room.
She aired it this morning.
In which of these sentences can we put has?
在下面的句子中有一般过去时和现在完成时两种不同的时态。选出现在完成时的句子，并填上has。
1.She _has_ just boiled an egg.
2.She __ boiled it a minute ago.
3.She_has_ never been to China,but he was there in 1992.
4.He _has_ already painted that bookcase.
5.He __ painted it a week ago.
6.She __ emptied the basket this morning.
7.He_has_ just dusted the cupboard.
B Rewrite these sentences.
模仿例句改写以下祈使句。
Example:
Air the room!(this morning)
I’ve already aired the room.
I aired the room this morning.
1.Clean your shoes!(last night)
I’ve already cleaned your shoes.
I cleaned your shoes last night.
2.Open the window !(an hour ago)
I’ve already opened the window.
I opened the window an hour ago.
3.Sharpen your pencil!(a minute ago)
I’ve already sharpened your pencil.
I sharpened your pencil a minute ago.
4.Turn on the television!(ten minutes ago)
I’ve already turned on the television.
I turned on the television ten minutes ago.
5.Boil the milk!(yesterday morning)
I’ve already boiled the milk.
I boiled the milk yesterday morning.
6.Empty the basket!(yesterday)
I’ve already emptied the basket.
I emptied the basket yesterday.
7.Ask a question!(two minutes ago)
I’ve already asked a question.
I asked a question two minutes ago.
8.Type that letter!(this morning)
I’ve already typed that letter.
I typed that letter this morning.
9.Wash your hands!(five minutes ago)
I’ve already washed your hands.
I washed your hands five minutes ago.
10.Walk across the park!(an hour ago)
I’ve already walked across the park.
I walked across the park an hour ago.
11.Paint that bookcase!(a year ago)
I’ve already painted that bookcase.
I painted that bookcase a year ago.
12.Dust the cupboard!(this afternoon)
I’ve already dusted the cupboard.
I dusted the cupboard this afternoon.
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