could degauss
Regular verb: degauss - degaussed- degaussed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could degauss
you could degauss
she could degauss
we could degauss
you could degauss
they could degauss 	I could be degaussing
you could be degaussing
she could be degaussing
we could be degaussing
you could be degaussing
they could be degaussing	I could have degaussed
you could have degaussed
she could have degaussed
we could have degaussed
you could have degaussed
they could have degaussed	I could have been degaussing
you could have been degaussing
she could have been degaussing
we could have been degaussing
you could have been degaussing
they could have been degaussing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't degauss
you couldn't degauss
she couldn't degauss
we couldn't degauss
you couldn't degauss
they couldn't degauss 	I couldn't be degaussing
you couldn't be degaussing
she couldn't be degaussing
we couldn't be degaussing
you couldn't be degaussing
they couldn't be degaussing	I couldn't have degaussed
you couldn't have degaussed
she couldn't have degaussed
we couldn't have degaussed
you couldn't have degaussed
they couldn't have degaussed	I couldn't have been degaussing
you couldn't have been degaussing
she couldn't have been degaussing
we couldn't have been degaussing
you couldn't have been degaussing
they couldn't have been degaussing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I degauss?
could you degauss?
could she degauss?
could we degauss?
could you degauss?
could they degauss? 	could I be degaussing?
could you be degaussing?
could she be degaussing?
could we be degaussing?
could you be degaussing?
could they be degaussing? 	could I have degaussed?
could you have degaussed?
could she have degaussed?
could we have degaussed?
could you have degaussed?
could they have degaussed? 	could I have been degaussing?
could you have been degaussing?
could she have been degaussing?
could we have been degaussing?
could you have been degaussing?
could they have been degaussing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I degauss?
couldn't you degauss?
couldn't she degauss?
couldn't we degauss?
couldn't you degauss?
couldn't they degauss? 	couldn't I be degaussing?
couldn't you be degaussing?
couldn't she be degaussing?
couldn't we be degaussing?
couldn't you be degaussing?
couldn't they be degaussing? 	couldn't I have degaussed?
couldn't you have degaussed?
couldn't she have degaussed?
couldn't we have degaussed?
couldn't you have degaussed?
couldn't they have degaussed? 	couldn't I have been degaussing?
couldn't you have been degaussing?
couldn't she have been degaussing?
couldn't we have been degaussing?
couldn't you have been degaussing?
couldn't they have been degaussing?