may soundproof
Regular verb: soundproof - soundproofed- soundproofed

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

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

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

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