should envelop
Regular verb: envelop - enveloped- enveloped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd envelop
you'd envelop
he'd envelop
we'd envelop
you'd envelop
they'd envelop 	I'd be enveloping
you'd be enveloping
he'd be enveloping
we'd be enveloping
you'd be enveloping
they'd be enveloping	I should've enveloped
you should've enveloped
he should've enveloped
we should've enveloped
you should've enveloped
they should've enveloped	I should've been enveloping
you should've been enveloping
he should've been enveloping
we should've been enveloping
you should've been enveloping
they should've been enveloping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't envelop
you shouldn't envelop
he shouldn't envelop
we shouldn't envelop
you shouldn't envelop
they shouldn't envelop 	I shouldn't be enveloping
you shouldn't be enveloping
he shouldn't be enveloping
we shouldn't be enveloping
you shouldn't be enveloping
they shouldn't be enveloping	I shouldn't have enveloped
you shouldn't have enveloped
he shouldn't have enveloped
we shouldn't have enveloped
you shouldn't have enveloped
they shouldn't have enveloped	I shouldn't have been enveloping
you shouldn't have been enveloping
he shouldn't have been enveloping
we shouldn't have been enveloping
you shouldn't have been enveloping
they shouldn't have been enveloping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I envelop?
should you envelop?
should he envelop?
should we envelop?
should you envelop?
should they envelop? 	should I be enveloping?
should you be enveloping?
should he be enveloping?
should we be enveloping?
should you be enveloping?
should they be enveloping? 	should I have enveloped?
should you have enveloped?
should he have enveloped?
should we have enveloped?
should you have enveloped?
should they have enveloped? 	should I have been enveloping?
should you have been enveloping?
should he have been enveloping?
should we have been enveloping?
should you have been enveloping?
should they have been enveloping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I envelop?
shouldn't you envelop?
shouldn't he envelop?
shouldn't we envelop?
shouldn't you envelop?
shouldn't they envelop? 	shouldn't I be enveloping?
shouldn't you be enveloping?
shouldn't he be enveloping?
shouldn't we be enveloping?
shouldn't you be enveloping?
shouldn't they be enveloping? 	shouldn't I have enveloped?
shouldn't you have enveloped?
shouldn't he have enveloped?
shouldn't we have enveloped?
shouldn't you have enveloped?
shouldn't they have enveloped? 	shouldn't I have been enveloping?
shouldn't you have been enveloping?
shouldn't he have been enveloping?
shouldn't we have been enveloping?
shouldn't you have been enveloping?
shouldn't they have been enveloping?