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 cannot weight
you cannot weight
he cannot weight
we cannot weight
you cannot weight
they cannot weight 	I cannot be weighting
you cannot be weighting
he cannot be weighting
we cannot be weighting
you cannot be weighting
they cannot be weighting	I cannot have weighted
you cannot have weighted
he cannot have weighted
we cannot have weighted
you cannot have weighted
they cannot have weighted	I cannot have been weighting
you cannot have been weighting
he cannot have been weighting
we cannot have been weighting
you cannot have been weighting
they cannot 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 I not weight?
can you not weight?
can he not weight?
can we not weight?
can you not weight?
can they not weight? 	can I not be weighting?
can you not be weighting?
can he not be weighting?
can we not be weighting?
can you not be weighting?
can they not be weighting? 	can I not have weighted?
can you not have weighted?
can he not have weighted?
can we not have weighted?
can you not have weighted?
can they not have weighted? 	can I not have been weighting?
can you not have been weighting?
can he not have been weighting?
can we not have been weighting?
can you not have been weighting?
can they not have been weighting?