English verb conjugation
COULD INTERPLANT

Regular verb: interplant - interplanted - interplanted

Affirmation

Simple form	V-ing form
I could interplant you could interplant he could interplant we could interplant you could interplant they could interplant	I could be interplanting you could be interplanting he could be interplanting we could be interplanting you could be interplanting they could be interplanting
Perfect	V-ing perfect
I could have interplanted you could have interplanted he could have interplanted we could have interplanted you could have interplanted they could have interplanted	I could have been interplanting you could have been interplanting he could have been interplanting we could have been interplanting you could have been interplanting they could have been interplanting

Negation

Simple form	V-ing form
I couldn't interplant you couldn't interplant he couldn't interplant we couldn't interplant you couldn't interplant they couldn't interplant	I couldn't be interplanting you couldn't be interplanting he couldn't be interplanting we couldn't be interplanting you couldn't be interplanting they couldn't be interplanting
Perfect	V-ing perfect
I couldn't have interplanted you couldn't have interplanted he couldn't have interplanted we couldn't have interplanted you couldn't have interplanted they couldn't have interplanted	I couldn't have been interplanting you couldn't have been interplanting he couldn't have been interplanting we couldn't have been interplanting you couldn't have been interplanting they couldn't have been interplanting

Interrogative form

Simple form	V-ing form
could I interplant? could you interplant? could he interplant? could we interplant? could you interplant? could they interplant?	could I be interplanting? could you be interplanting? could he be interplanting? could we be interplanting? could you be interplanting? could they be interplanting?
Perfect	V-ing perfect
could I have interplanted? could you have interplanted? could he have interplanted? could we have interplanted? could you have interplanted? could they have interplanted?	could I have been interplanting? could you have been interplanting? could he have been interplanting? could we have been interplanting? could you have been interplanting? could they have been interplanting?

Interro-negative form

Simple form	V-ing form
couldn't I interplant? couldn't you interplant? couldn't he interplant? couldn't we interplant? couldn't you interplant? couldn't they interplant?	couldn't I be interplanting? couldn't you be interplanting? couldn't he be interplanting? couldn't we be interplanting? couldn't you be interplanting? couldn't they be interplanting?
Perfect	V-ing perfect
couldn't I have interplanted? couldn't you have interplanted? couldn't he have interplanted? couldn't we have interplanted? couldn't you have interplanted? couldn't they have interplanted?	couldn't I have been interplanting? couldn't you have been interplanting? couldn't he have been interplanting? couldn't we have been interplanting? couldn't you have been interplanting? couldn't they have been interplanting?