English verb conjugation
COULD INTERPLAIT

Regular verb: interplait - interplaited - interplaited

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?