can foist
Regular verb: foist - foisted- foisted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can foist
you can foist
he can foist
we can foist
you can foist
they can foist 	I can be foisting
you can be foisting
he can be foisting
we can be foisting
you can be foisting
they can be foisting	I can have foisted
you can have foisted
he can have foisted
we can have foisted
you can have foisted
they can have foisted	I can have been foisting
you can have been foisting
he can have been foisting
we can have been foisting
you can have been foisting
they can have been foisting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't foist
you can't foist
he can't foist
we can't foist
you can't foist
they can't foist 	I can't be foisting
you can't be foisting
he can't be foisting
we can't be foisting
you can't be foisting
they can't be foisting	I can't have foisted
you can't have foisted
he can't have foisted
we can't have foisted
you can't have foisted
they can't have foisted	I can't have been foisting
you can't have been foisting
he can't have been foisting
we can't have been foisting
you can't have been foisting
they can't have been foisting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I foist?
can you foist?
can he foist?
can we foist?
can you foist?
can they foist? 	can I be foisting?
can you be foisting?
can he be foisting?
can we be foisting?
can you be foisting?
can they be foisting? 	can I have foisted?
can you have foisted?
can he have foisted?
can we have foisted?
can you have foisted?
can they have foisted? 	can I have been foisting?
can you have been foisting?
can he have been foisting?
can we have been foisting?
can you have been foisting?
can they have been foisting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I foist?
can't you foist?
can't he foist?
can't we foist?
can't you foist?
can't they foist? 	can't I be foisting?
can't you be foisting?
can't he be foisting?
can't we be foisting?
can't you be foisting?
can't they be foisting? 	can't I have foisted?
can't you have foisted?
can't he have foisted?
can't we have foisted?
can't you have foisted?
can't they have foisted? 	can't I have been foisting?
can't you have been foisting?
can't he have been foisting?
can't we have been foisting?
can't you have been foisting?
can't they have been foisting?