can assume
Regular verb: assume - assumed- assumed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can assume
you can assume
he can assume
we can assume
you can assume
they can assume 	I can be assuming
you can be assuming
he can be assuming
we can be assuming
you can be assuming
they can be assuming	I can have assumed
you can have assumed
he can have assumed
we can have assumed
you can have assumed
they can have assumed	I can have been assuming
you can have been assuming
he can have been assuming
we can have been assuming
you can have been assuming
they can have been assuming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't assume
you can't assume
he can't assume
we can't assume
you can't assume
they can't assume 	I can't be assuming
you can't be assuming
he can't be assuming
we can't be assuming
you can't be assuming
they can't be assuming	I can't have assumed
you can't have assumed
he can't have assumed
we can't have assumed
you can't have assumed
they can't have assumed	I can't have been assuming
you can't have been assuming
he can't have been assuming
we can't have been assuming
you can't have been assuming
they can't have been assuming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I assume?
can you assume?
can he assume?
can we assume?
can you assume?
can they assume? 	can I be assuming?
can you be assuming?
can he be assuming?
can we be assuming?
can you be assuming?
can they be assuming? 	can I have assumed?
can you have assumed?
can he have assumed?
can we have assumed?
can you have assumed?
can they have assumed? 	can I have been assuming?
can you have been assuming?
can he have been assuming?
can we have been assuming?
can you have been assuming?
can they have been assuming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I assume?
can't you assume?
can't he assume?
can't we assume?
can't you assume?
can't they assume? 	can't I be assuming?
can't you be assuming?
can't he be assuming?
can't we be assuming?
can't you be assuming?
can't they be assuming? 	can't I have assumed?
can't you have assumed?
can't he have assumed?
can't we have assumed?
can't you have assumed?
can't they have assumed? 	can't I have been assuming?
can't you have been assuming?
can't he have been assuming?
can't we have been assuming?
can't you have been assuming?
can't they have been assuming?