"The Internet" SectionⅣ PPT courseware

Description

"The Internet" SectionⅣ PPT courseware

Present perfect passive voice

Overall breakthrough in grammar

The present perfect is a present tense. It can be expressed in two forms: the active voice of the present perfect tense and the passive voice of the present perfect tense.

1. Concept

[Collaborative inquiry]

There are countless articles telling us how the Internet has made our lives more convenient.

Much has been written about the wonders of the World Wide Web.

Much has been written about the wonders of the World Wide Web.

[Autonomous Discovery 1]The present perfect tense indicates that the action or state of existence of ________ has been completed or will continue until now. It emphasizes the result or impact on ________. It has two forms: active voice and passive voice.

2. Composition

[Collaborative inquiry]

I have heard nothing from him up to now. I have heard nothing from him up to now.

I haven’t seen him recently. I haven’t seen him for a long time.

The experiment has been done successfully. The experiment has been done successfully.

The blackboard has not been cleaned yet. The blackboard has not been wiped yet.

[Autonomous Discovery 2]

(1) Active voice of present perfect tense: ______________ (affirmative); has/have not done (negative)

(2) Passive voice of present perfect: ____________________ (affirmative); ____________________ (negative)

3. Basic usage

1.Complete usage

[Collaborative inquiry]

He has turned off the light. He has turned off the light.

He has already obtained a scholarship. He has already obtained a scholarship.

This book has been translated into many languages. This book has been translated into many languages.

These flowers have been watered, so you can go home.

The flowers have been watered, so you can go home.

Keywords: Free download of High School English Compulsory Course 2 PPT courseware from People's Education Press, The Internet PPT download, .PPT format;

For more information about the PPT courseware "the_internet", please click the the_internetPPT tag.

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File Info

Update Time: 2024-07-08

This template belongs to English courseware People's Education Press High School English Compulsory Course 2 industry PPT template

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