should lasso
Regular verb: lasso - lassoed- lassoed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd lasso
you'd lasso
he'd lasso
we'd lasso
you'd lasso
they'd lasso 	I'd be lassoing
you'd be lassoing
he'd be lassoing
we'd be lassoing
you'd be lassoing
they'd be lassoing	I should've lassoed
you should've lassoed
he should've lassoed
we should've lassoed
you should've lassoed
they should've lassoed	I should've been lassoing
you should've been lassoing
he should've been lassoing
we should've been lassoing
you should've been lassoing
they should've been lassoing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't lasso
you shouldn't lasso
he shouldn't lasso
we shouldn't lasso
you shouldn't lasso
they shouldn't lasso 	I shouldn't be lassoing
you shouldn't be lassoing
he shouldn't be lassoing
we shouldn't be lassoing
you shouldn't be lassoing
they shouldn't be lassoing	I shouldn't have lassoed
you shouldn't have lassoed
he shouldn't have lassoed
we shouldn't have lassoed
you shouldn't have lassoed
they shouldn't have lassoed	I shouldn't have been lassoing
you shouldn't have been lassoing
he shouldn't have been lassoing
we shouldn't have been lassoing
you shouldn't have been lassoing
they shouldn't have been lassoing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I lasso?
should you lasso?
should he lasso?
should we lasso?
should you lasso?
should they lasso? 	should I be lassoing?
should you be lassoing?
should he be lassoing?
should we be lassoing?
should you be lassoing?
should they be lassoing? 	should I have lassoed?
should you have lassoed?
should he have lassoed?
should we have lassoed?
should you have lassoed?
should they have lassoed? 	should I have been lassoing?
should you have been lassoing?
should he have been lassoing?
should we have been lassoing?
should you have been lassoing?
should they have been lassoing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I lasso?
shouldn't you lasso?
shouldn't he lasso?
shouldn't we lasso?
shouldn't you lasso?
shouldn't they lasso? 	shouldn't I be lassoing?
shouldn't you be lassoing?
shouldn't he be lassoing?
shouldn't we be lassoing?
shouldn't you be lassoing?
shouldn't they be lassoing? 	shouldn't I have lassoed?
shouldn't you have lassoed?
shouldn't he have lassoed?
shouldn't we have lassoed?
shouldn't you have lassoed?
shouldn't they have lassoed? 	shouldn't I have been lassoing?
shouldn't you have been lassoing?
shouldn't he have been lassoing?
shouldn't we have been lassoing?
shouldn't you have been lassoing?
shouldn't they have been lassoing?