should ponder
Regular verb: ponder - pondered- pondered

Affirmation 	
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I'd ponder
you'd ponder
she'd ponder
we'd ponder
you'd ponder
they'd ponder 	I'd be pondering
you'd be pondering
she'd be pondering
we'd be pondering
you'd be pondering
they'd be pondering	I should've pondered
you should've pondered
she should've pondered
we should've pondered
you should've pondered
they should've pondered	I should've been pondering
you should've been pondering
she should've been pondering
we should've been pondering
you should've been pondering
they should've been pondering	

Negation 	
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I shouldn't ponder
you shouldn't ponder
she shouldn't ponder
we shouldn't ponder
you shouldn't ponder
they shouldn't ponder 	I shouldn't be pondering
you shouldn't be pondering
she shouldn't be pondering
we shouldn't be pondering
you shouldn't be pondering
they shouldn't be pondering	I shouldn't have pondered
you shouldn't have pondered
she shouldn't have pondered
we shouldn't have pondered
you shouldn't have pondered
they shouldn't have pondered	I shouldn't have been pondering
you shouldn't have been pondering
she shouldn't have been pondering
we shouldn't have been pondering
you shouldn't have been pondering
they shouldn't have been pondering	

Interrogative form 	
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should I ponder?
should you ponder?
should she ponder?
should we ponder?
should you ponder?
should they ponder? 	should I be pondering?
should you be pondering?
should she be pondering?
should we be pondering?
should you be pondering?
should they be pondering? 	should I have pondered?
should you have pondered?
should she have pondered?
should we have pondered?
should you have pondered?
should they have pondered? 	should I have been pondering?
should you have been pondering?
should she have been pondering?
should we have been pondering?
should you have been pondering?
should they have been pondering? 	

Interro-negative form 	
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shouldn't I ponder?
shouldn't you ponder?
shouldn't she ponder?
shouldn't we ponder?
shouldn't you ponder?
shouldn't they ponder? 	shouldn't I be pondering?
shouldn't you be pondering?
shouldn't she be pondering?
shouldn't we be pondering?
shouldn't you be pondering?
shouldn't they be pondering? 	shouldn't I have pondered?
shouldn't you have pondered?
shouldn't she have pondered?
shouldn't we have pondered?
shouldn't you have pondered?
shouldn't they have pondered? 	shouldn't I have been pondering?
shouldn't you have been pondering?
shouldn't she have been pondering?
shouldn't we have been pondering?
shouldn't you have been pondering?
shouldn't they have been pondering?