could interplait
Regular verb: interplait - interplaited- interplaited

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could interplait
you could interplait
she could interplait
we could interplait
you could interplait
they could interplait 	I could be interplaiting
you could be interplaiting
she could be interplaiting
we could be interplaiting
you could be interplaiting
they could be interplaiting	I could have interplaited
you could have interplaited
she could have interplaited
we could have interplaited
you could have interplaited
they could have interplaited	I could have been interplaiting
you could have been interplaiting
she could have been interplaiting
we could have been interplaiting
you could have been interplaiting
they could have been interplaiting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't interplait
you couldn't interplait
she couldn't interplait
we couldn't interplait
you couldn't interplait
they couldn't interplait 	I couldn't be interplaiting
you couldn't be interplaiting
she couldn't be interplaiting
we couldn't be interplaiting
you couldn't be interplaiting
they couldn't be interplaiting	I couldn't have interplaited
you couldn't have interplaited
she couldn't have interplaited
we couldn't have interplaited
you couldn't have interplaited
they couldn't have interplaited	I couldn't have been interplaiting
you couldn't have been interplaiting
she couldn't have been interplaiting
we couldn't have been interplaiting
you couldn't have been interplaiting
they couldn't have been interplaiting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I interplait?
could you interplait?
could she interplait?
could we interplait?
could you interplait?
could they interplait? 	could I be interplaiting?
could you be interplaiting?
could she be interplaiting?
could we be interplaiting?
could you be interplaiting?
could they be interplaiting? 	could I have interplaited?
could you have interplaited?
could she have interplaited?
could we have interplaited?
could you have interplaited?
could they have interplaited? 	could I have been interplaiting?
could you have been interplaiting?
could she have been interplaiting?
could we have been interplaiting?
could you have been interplaiting?
could they have been interplaiting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I interplait?
couldn't you interplait?
couldn't she interplait?
couldn't we interplait?
couldn't you interplait?
couldn't they interplait? 	couldn't I be interplaiting?
couldn't you be interplaiting?
couldn't she be interplaiting?
couldn't we be interplaiting?
couldn't you be interplaiting?
couldn't they be interplaiting? 	couldn't I have interplaited?
couldn't you have interplaited?
couldn't she have interplaited?
couldn't we have interplaited?
couldn't you have interplaited?
couldn't they have interplaited? 	couldn't I have been interplaiting?
couldn't you have been interplaiting?
couldn't she have been interplaiting?
couldn't we have been interplaiting?
couldn't you have been interplaiting?
couldn't they have been interplaiting?