can weight
Regular verb: weight - weighted- weighted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can weight
you can weight
he can weight
we can weight
you can weight
they can weight 	I can be weighting
you can be weighting
he can be weighting
we can be weighting
you can be weighting
they can be weighting	I can have weighted
you can have weighted
he can have weighted
we can have weighted
you can have weighted
they can have weighted	I can have been weighting
you can have been weighting
he can have been weighting
we can have been weighting
you can have been weighting
they can have been weighting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't weight
you can't weight
he can't weight
we can't weight
you can't weight
they can't weight 	I can't be weighting
you can't be weighting
he can't be weighting
we can't be weighting
you can't be weighting
they can't be weighting	I can't have weighted
you can't have weighted
he can't have weighted
we can't have weighted
you can't have weighted
they can't have weighted	I can't have been weighting
you can't have been weighting
he can't have been weighting
we can't have been weighting
you can't have been weighting
they can't have been weighting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I weight?
can you weight?
can he weight?
can we weight?
can you weight?
can they weight? 	can I be weighting?
can you be weighting?
can he be weighting?
can we be weighting?
can you be weighting?
can they be weighting? 	can I have weighted?
can you have weighted?
can he have weighted?
can we have weighted?
can you have weighted?
can they have weighted? 	can I have been weighting?
can you have been weighting?
can he have been weighting?
can we have been weighting?
can you have been weighting?
can they have been weighting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I weight?
can't you weight?
can't he weight?
can't we weight?
can't you weight?
can't they weight? 	can't I be weighting?
can't you be weighting?
can't he be weighting?
can't we be weighting?
can't you be weighting?
can't they be weighting? 	can't I have weighted?
can't you have weighted?
can't he have weighted?
can't we have weighted?
can't you have weighted?
can't they have weighted? 	can't I have been weighting?
can't you have been weighting?
can't he have been weighting?
can't we have been weighting?
can't you have been weighting?
can't they have been weighting?