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The past tense of can is used which is could.

They could have given some cake to me.

The negative form, can't is used with present perfect:

They can't have eaten the whole cake!

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12y ago

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Related Questions

Which tense can be used with until?

Present perfect, past perfect or future perfect.


What is the present perfect tense of cannot?

"Cannot" can't be used in the present perfect tense.


Is have past or present?

"Have" is present. "Had" is past tense


When to use have?

Present Perfect Tense: I have; You have; he, she, it has; we have, you have, they have Past Perfect Tense: I had; you had; he, she, it had; we had; you had; they had Future Perfect Tense: I shall have; you will have; he, she, it will have; we shall have; you will have; they will have Note: has is used in the third person, singular present perfect tense.


What is the difference of present perfect tense and future perfect tense?

The present perfect tense is used when there is a connection with the past and the present. It is used to depict change, experience and a continuing situation. The future perfect tense, however, is used to talk about the past in the future.


Which use have or had present tense or perfect tense?

Have can be present simple tense: I have a new car.Have is used in present perfect tense: I have bought a new car.Had is the past tense of have.Had can be used in past simple: I had breakfast early today.had is used in past perfect: I had seen the movie before.


You have read an interesting book. this is present tense or present perfect tense?

Present tense


What is the present perfect tense of you see?

You have seen is the present perfect tense of you see.


What is used with present tense determines if its present perfect past perfect or future perfect?

present perfect = subject + have/has +past participle.I have eaten all the rice. She haseaten all the vegetables.past perfect = subject + had + past participle.I had walked to town. She had caughtthe bus to town.future perfect = subject + will + have + past participleI will have left town by then.All these sentences use the past participle ( in italics) the use of the other words (in bold) determines what tense the sentence is.


What is the present prefect tense of learn have or has?

Have and has are both used in the present perfect tense:I/You/We/They have learned.He/She/It has learned.


What are the actions expessed by the present perfect tense?

The present perfect tense is used to express experience, change or a continuing situation.


What is the present perfect tense of hid?

The present perfect tense is Have/Has Hidden.