can weld
Verbo regular: weld - welded- welded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can weld
you can weld
she can weld
we can weld
you can weld
they can weld 	I can be welding
you can be welding
she can be welding
we can be welding
you can be welding
they can be welding	I can have welded
you can have welded
she can have welded
we can have welded
you can have welded
they can have welded	I can have been welding
you can have been welding
she can have been welding
we can have been welding
you can have been welding
they can have been welding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot weld
you cannot weld
she cannot weld
we cannot weld
you cannot weld
they cannot weld 	I cannot be welding
you cannot be welding
she cannot be welding
we cannot be welding
you cannot be welding
they cannot be welding	I cannot have welded
you cannot have welded
she cannot have welded
we cannot have welded
you cannot have welded
they cannot have welded	I cannot have been welding
you cannot have been welding
she cannot have been welding
we cannot have been welding
you cannot have been welding
they cannot have been welding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I weld?
can you weld?
can she weld?
can we weld?
can you weld?
can they weld? 	can I be welding?
can you be welding?
can she be welding?
can we be welding?
can you be welding?
can they be welding? 	can I have welded?
can you have welded?
can she have welded?
can we have welded?
can you have welded?
can they have welded? 	can I have been welding?
can you have been welding?
can she have been welding?
can we have been welding?
can you have been welding?
can they have been welding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not weld?
can you not weld?
can she not weld?
can we not weld?
can you not weld?
can they not weld? 	can I not be welding?
can you not be welding?
can she not be welding?
can we not be welding?
can you not be welding?
can they not be welding? 	can I not have welded?
can you not have welded?
can she not have welded?
can we not have welded?
can you not have welded?
can they not have welded? 	can I not have been welding?
can you not have been welding?
can she not have been welding?
can we not have been welding?
can you not have been welding?
can they not have been welding?