should trowel
Regular verb: trowel - troweled- troweled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd trowel
you'd trowel
he'd trowel
we'd trowel
you'd trowel
they'd trowel 	I'd be troweling
you'd be troweling
he'd be troweling
we'd be troweling
you'd be troweling
they'd be troweling	I should've troweled
you should've troweled
he should've troweled
we should've troweled
you should've troweled
they should've troweled	I should've been troweling
you should've been troweling
he should've been troweling
we should've been troweling
you should've been troweling
they should've been troweling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't trowel
you shouldn't trowel
he shouldn't trowel
we shouldn't trowel
you shouldn't trowel
they shouldn't trowel 	I shouldn't be troweling
you shouldn't be troweling
he shouldn't be troweling
we shouldn't be troweling
you shouldn't be troweling
they shouldn't be troweling	I shouldn't have troweled
you shouldn't have troweled
he shouldn't have troweled
we shouldn't have troweled
you shouldn't have troweled
they shouldn't have troweled	I shouldn't have been troweling
you shouldn't have been troweling
he shouldn't have been troweling
we shouldn't have been troweling
you shouldn't have been troweling
they shouldn't have been troweling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I trowel?
should you trowel?
should he trowel?
should we trowel?
should you trowel?
should they trowel? 	should I be troweling?
should you be troweling?
should he be troweling?
should we be troweling?
should you be troweling?
should they be troweling? 	should I have troweled?
should you have troweled?
should he have troweled?
should we have troweled?
should you have troweled?
should they have troweled? 	should I have been troweling?
should you have been troweling?
should he have been troweling?
should we have been troweling?
should you have been troweling?
should they have been troweling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I trowel?
shouldn't you trowel?
shouldn't he trowel?
shouldn't we trowel?
shouldn't you trowel?
shouldn't they trowel? 	shouldn't I be troweling?
shouldn't you be troweling?
shouldn't he be troweling?
shouldn't we be troweling?
shouldn't you be troweling?
shouldn't they be troweling? 	shouldn't I have troweled?
shouldn't you have troweled?
shouldn't he have troweled?
shouldn't we have troweled?
shouldn't you have troweled?
shouldn't they have troweled? 	shouldn't I have been troweling?
shouldn't you have been troweling?
shouldn't he have been troweling?
shouldn't we have been troweling?
shouldn't you have been troweling?
shouldn't they have been troweling?