Notes On Past and Present Perfect Tense-Comparison - CBSE Class 9 English Grammar

The past tense

The past perfect

Time period has finished.

Time period has not finished.

Use of words like yesterday, last week, last month etc

Use of words like just, ever, yet, never, etc

Time is clear

Time is not specific.

Used to older information

Used to give the recent news.



Study the following examples with “for” OR “since”
1.The present perfect is used with for and since when the actions have not finished yet.
Example;
I have lived in Assam for four years.(means I still live in Assam)



2.The simple past is used with for when the actions have already finished.
Example:
I lived in Assam for four years.(means I don't live in Assam now)






Summary

The past tense

The past perfect

Time period has finished.

Time period has not finished.

Use of words like yesterday, last week, last month etc

Use of words like just, ever, yet, never, etc

Time is clear

Time is not specific.

Used to older information

Used to give the recent news.



Study the following examples with “for” OR “since”
1.The present perfect is used with for and since when the actions have not finished yet.
Example;
I have lived in Assam for four years.(means I still live in Assam)



2.The simple past is used with for when the actions have already finished.
Example:
I lived in Assam for four years.(means I don't live in Assam now)






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