can soundproof
Regular verb: soundproof - soundproofed- soundproofed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can soundproof
you can soundproof
she can soundproof
we can soundproof
you can soundproof
they can soundproof 	I can be soundproofing
you can be soundproofing
she can be soundproofing
we can be soundproofing
you can be soundproofing
they can be soundproofing	I can have soundproofed
you can have soundproofed
she can have soundproofed
we can have soundproofed
you can have soundproofed
they can have soundproofed	I can have been soundproofing
you can have been soundproofing
she can have been soundproofing
we can have been soundproofing
you can have been soundproofing
they can have been soundproofing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't soundproof
you can't soundproof
she can't soundproof
we can't soundproof
you can't soundproof
they can't soundproof 	I can't be soundproofing
you can't be soundproofing
she can't be soundproofing
we can't be soundproofing
you can't be soundproofing
they can't be soundproofing	I can't have soundproofed
you can't have soundproofed
she can't have soundproofed
we can't have soundproofed
you can't have soundproofed
they can't have soundproofed	I can't have been soundproofing
you can't have been soundproofing
she can't have been soundproofing
we can't have been soundproofing
you can't have been soundproofing
they can't have been soundproofing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I soundproof?
can you soundproof?
can she soundproof?
can we soundproof?
can you soundproof?
can they soundproof? 	can I be soundproofing?
can you be soundproofing?
can she be soundproofing?
can we be soundproofing?
can you be soundproofing?
can they be soundproofing? 	can I have soundproofed?
can you have soundproofed?
can she have soundproofed?
can we have soundproofed?
can you have soundproofed?
can they have soundproofed? 	can I have been soundproofing?
can you have been soundproofing?
can she have been soundproofing?
can we have been soundproofing?
can you have been soundproofing?
can they have been soundproofing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I soundproof?
can't you soundproof?
can't she soundproof?
can't we soundproof?
can't you soundproof?
can't they soundproof? 	can't I be soundproofing?
can't you be soundproofing?
can't she be soundproofing?
can't we be soundproofing?
can't you be soundproofing?
can't they be soundproofing? 	can't I have soundproofed?
can't you have soundproofed?
can't she have soundproofed?
can't we have soundproofed?
can't you have soundproofed?
can't they have soundproofed? 	can't I have been soundproofing?
can't you have been soundproofing?
can't she have been soundproofing?
can't we have been soundproofing?
can't you have been soundproofing?
can't they have been soundproofing?