can envelop
Regular verb: envelop - enveloped- enveloped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can envelop
you can envelop
she can envelop
we can envelop
you can envelop
they can envelop 	I can be enveloping
you can be enveloping
she can be enveloping
we can be enveloping
you can be enveloping
they can be enveloping	I can have enveloped
you can have enveloped
she can have enveloped
we can have enveloped
you can have enveloped
they can have enveloped	I can have been enveloping
you can have been enveloping
she can have been enveloping
we can have been enveloping
you can have been enveloping
they can have been enveloping	

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

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

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