can estop
Regular verb: estop - estoped- estoped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can estop
you can estop
he can estop
we can estop
you can estop
they can estop 	I can be estoping
you can be estoping
he can be estoping
we can be estoping
you can be estoping
they can be estoping	I can have estoped
you can have estoped
he can have estoped
we can have estoped
you can have estoped
they can have estoped	I can have been estoping
you can have been estoping
he can have been estoping
we can have been estoping
you can have been estoping
they can have been estoping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot estop
you cannot estop
he cannot estop
we cannot estop
you cannot estop
they cannot estop 	I cannot be estoping
you cannot be estoping
he cannot be estoping
we cannot be estoping
you cannot be estoping
they cannot be estoping	I cannot have estoped
you cannot have estoped
he cannot have estoped
we cannot have estoped
you cannot have estoped
they cannot have estoped	I cannot have been estoping
you cannot have been estoping
he cannot have been estoping
we cannot have been estoping
you cannot have been estoping
they cannot have been estoping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I estop?
can you estop?
can he estop?
can we estop?
can you estop?
can they estop? 	can I be estoping?
can you be estoping?
can he be estoping?
can we be estoping?
can you be estoping?
can they be estoping? 	can I have estoped?
can you have estoped?
can he have estoped?
can we have estoped?
can you have estoped?
can they have estoped? 	can I have been estoping?
can you have been estoping?
can he have been estoping?
can we have been estoping?
can you have been estoping?
can they have been estoping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not estop?
can you not estop?
can he not estop?
can we not estop?
can you not estop?
can they not estop? 	can I not be estoping?
can you not be estoping?
can he not be estoping?
can we not be estoping?
can you not be estoping?
can they not be estoping? 	can I not have estoped?
can you not have estoped?
can he not have estoped?
can we not have estoped?
can you not have estoped?
can they not have estoped? 	can I not have been estoping?
can you not have been estoping?
can he not have been estoping?
can we not have been estoping?
can you not have been estoping?
can they not have been estoping?