could babyproof
Regular verb: babyproof - babyproofed- babyproofed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could babyproof
you could babyproof
she could babyproof
we could babyproof
you could babyproof
they could babyproof 	I could be babyproofing
you could be babyproofing
she could be babyproofing
we could be babyproofing
you could be babyproofing
they could be babyproofing	I could have babyproofed
you could have babyproofed
she could have babyproofed
we could have babyproofed
you could have babyproofed
they could have babyproofed	I could have been babyproofing
you could have been babyproofing
she could have been babyproofing
we could have been babyproofing
you could have been babyproofing
they could have been babyproofing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't babyproof
you couldn't babyproof
she couldn't babyproof
we couldn't babyproof
you couldn't babyproof
they couldn't babyproof 	I couldn't be babyproofing
you couldn't be babyproofing
she couldn't be babyproofing
we couldn't be babyproofing
you couldn't be babyproofing
they couldn't be babyproofing	I couldn't have babyproofed
you couldn't have babyproofed
she couldn't have babyproofed
we couldn't have babyproofed
you couldn't have babyproofed
they couldn't have babyproofed	I couldn't have been babyproofing
you couldn't have been babyproofing
she couldn't have been babyproofing
we couldn't have been babyproofing
you couldn't have been babyproofing
they couldn't have been babyproofing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I babyproof?
could you babyproof?
could she babyproof?
could we babyproof?
could you babyproof?
could they babyproof? 	could I be babyproofing?
could you be babyproofing?
could she be babyproofing?
could we be babyproofing?
could you be babyproofing?
could they be babyproofing? 	could I have babyproofed?
could you have babyproofed?
could she have babyproofed?
could we have babyproofed?
could you have babyproofed?
could they have babyproofed? 	could I have been babyproofing?
could you have been babyproofing?
could she have been babyproofing?
could we have been babyproofing?
could you have been babyproofing?
could they have been babyproofing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I babyproof?
couldn't you babyproof?
couldn't she babyproof?
couldn't we babyproof?
couldn't you babyproof?
couldn't they babyproof? 	couldn't I be babyproofing?
couldn't you be babyproofing?
couldn't she be babyproofing?
couldn't we be babyproofing?
couldn't you be babyproofing?
couldn't they be babyproofing? 	couldn't I have babyproofed?
couldn't you have babyproofed?
couldn't she have babyproofed?
couldn't we have babyproofed?
couldn't you have babyproofed?
couldn't they have babyproofed? 	couldn't I have been babyproofing?
couldn't you have been babyproofing?
couldn't she have been babyproofing?
couldn't we have been babyproofing?
couldn't you have been babyproofing?
couldn't they have been babyproofing?