should fumble
Regular verb: fumble - fumbled- fumbled

Affirmation 	
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I should fumble
you should fumble
she should fumble
we should fumble
you should fumble
they should fumble 	I should be fumbling
you should be fumbling
she should be fumbling
we should be fumbling
you should be fumbling
they should be fumbling	I should have fumbled
you should have fumbled
she should have fumbled
we should have fumbled
you should have fumbled
they should have fumbled	I should have been fumbling
you should have been fumbling
she should have been fumbling
we should have been fumbling
you should have been fumbling
they should have been fumbling	

Negation 	
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I should not fumble
you should not fumble
she should not fumble
we should not fumble
you should not fumble
they should not fumble 	I should not be fumbling
you should not be fumbling
she should not be fumbling
we should not be fumbling
you should not be fumbling
they should not be fumbling	I should not have fumbled
you should not have fumbled
she should not have fumbled
we should not have fumbled
you should not have fumbled
they should not have fumbled	I should not have been fumbling
you should not have been fumbling
she should not have been fumbling
we should not have been fumbling
you should not have been fumbling
they should not have been fumbling	

Interrogative form 	
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should I fumble?
should you fumble?
should she fumble?
should we fumble?
should you fumble?
should they fumble? 	should I be fumbling?
should you be fumbling?
should she be fumbling?
should we be fumbling?
should you be fumbling?
should they be fumbling? 	should I have fumbled?
should you have fumbled?
should she have fumbled?
should we have fumbled?
should you have fumbled?
should they have fumbled? 	should I have been fumbling?
should you have been fumbling?
should she have been fumbling?
should we have been fumbling?
should you have been fumbling?
should they have been fumbling? 	

Interro-negative form 	
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should I not fumble?
should you not fumble?
should she not fumble?
should we not fumble?
should you not fumble?
should they not fumble? 	should I not be fumbling?
should you not be fumbling?
should she not be fumbling?
should we not be fumbling?
should you not be fumbling?
should they not be fumbling? 	should I not have fumbled?
should you not have fumbled?
should she not have fumbled?
should we not have fumbled?
should you not have fumbled?
should they not have fumbled? 	should I not have been fumbling?
should you not have been fumbling?
should she not have been fumbling?
should we not have been fumbling?
should you not have been fumbling?
should they not have been fumbling?