can build
Irregular verb: build - built- built

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can build
you can build
she can build
we can build
you can build
they can build 	I can be building
you can be building
she can be building
we can be building
you can be building
they can be building	I can have built
you can have built
she can have built
we can have built
you can have built
they can have built	I can have been building
you can have been building
she can have been building
we can have been building
you can have been building
they can have been building	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't build
you can't build
she can't build
we can't build
you can't build
they can't build 	I can't be building
you can't be building
she can't be building
we can't be building
you can't be building
they can't be building	I can't have built
you can't have built
she can't have built
we can't have built
you can't have built
they can't have built	I can't have been building
you can't have been building
she can't have been building
we can't have been building
you can't have been building
they can't have been building	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I build?
can you build?
can she build?
can we build?
can you build?
can they build? 	can I be building?
can you be building?
can she be building?
can we be building?
can you be building?
can they be building? 	can I have built?
can you have built?
can she have built?
can we have built?
can you have built?
can they have built? 	can I have been building?
can you have been building?
can she have been building?
can we have been building?
can you have been building?
can they have been building? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I build?
can't you build?
can't she build?
can't we build?
can't you build?
can't they build? 	can't I be building?
can't you be building?
can't she be building?
can't we be building?
can't you be building?
can't they be building? 	can't I have built?
can't you have built?
can't she have built?
can't we have built?
can't you have built?
can't they have built? 	can't I have been building?
can't you have been building?
can't she have been building?
can't we have been building?
can't you have been building?
can't they have been building?