can weigh
Regular verb: weigh - weighed- weighed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can weigh
you can weigh
he can weigh
we can weigh
you can weigh
they can weigh 	I can be weighing
you can be weighing
he can be weighing
we can be weighing
you can be weighing
they can be weighing	I can have weighed
you can have weighed
he can have weighed
we can have weighed
you can have weighed
they can have weighed	I can have been weighing
you can have been weighing
he can have been weighing
we can have been weighing
you can have been weighing
they can have been weighing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't weigh
you can't weigh
he can't weigh
we can't weigh
you can't weigh
they can't weigh 	I can't be weighing
you can't be weighing
he can't be weighing
we can't be weighing
you can't be weighing
they can't be weighing	I can't have weighed
you can't have weighed
he can't have weighed
we can't have weighed
you can't have weighed
they can't have weighed	I can't have been weighing
you can't have been weighing
he can't have been weighing
we can't have been weighing
you can't have been weighing
they can't have been weighing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I weigh?
can you weigh?
can he weigh?
can we weigh?
can you weigh?
can they weigh? 	can I be weighing?
can you be weighing?
can he be weighing?
can we be weighing?
can you be weighing?
can they be weighing? 	can I have weighed?
can you have weighed?
can he have weighed?
can we have weighed?
can you have weighed?
can they have weighed? 	can I have been weighing?
can you have been weighing?
can he have been weighing?
can we have been weighing?
can you have been weighing?
can they have been weighing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I weigh?
can't you weigh?
can't he weigh?
can't we weigh?
can't you weigh?
can't they weigh? 	can't I be weighing?
can't you be weighing?
can't he be weighing?
can't we be weighing?
can't you be weighing?
can't they be weighing? 	can't I have weighed?
can't you have weighed?
can't he have weighed?
can't we have weighed?
can't you have weighed?
can't they have weighed? 	can't I have been weighing?
can't you have been weighing?
can't he have been weighing?
can't we have been weighing?
can't you have been weighing?
can't they have been weighing?