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The past form of can not is could not or couldn't.

Example: I cannot open this jar

Yesterday I couldn't open that jar

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13y ago

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What is the past tense of cannot?

what is the past form of the verb cannot


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Had come or had came?

The correct form is "had come." "Come" is the past participle form of the verb "come" and is used after "had" to indicate an action that occurred before a certain point in the past. "Came" is the simple past form of the verb "come" and cannot be used after "had" in this context.


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What is the past tense of help?

The past tense of "help" would be "helped".helpedHelped.


What is the past form of advise?

what is the past form of forgive


What is the past form and the past participle for am?

The past form of "am" is "was" and the past participle is "been."


Is happened a passive verb?

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What is the past form of plan?

The past form (and also the past participle) of plan is planned.


What is the past form of stop?

The past form of stop (and also the past participle)is stopped.


What is the past form of come?

The past form of come is came.


What is the past participle of form?

Formed is the past participle of form.