I could replant you could replant he could replant we could replant you could replant they could replant
V-ing form
I could be replanting you could be replanting he could be replanting we could be replanting you could be replanting they could be replanting
Perfect
I could have replanted you could have replanted he could have replanted we could have replanted you could have replanted they could have replanted
V-ing perfect
I could have been replanting you could have been replanting he could have been replanting we could have been replanting you could have been replanting they could have been replanting
Negation
Simple form
I couldn't replant you couldn't replant he couldn't replant we couldn't replant you couldn't replant they couldn't replant
V-ing form
I couldn't be replanting you couldn't be replanting he couldn't be replanting we couldn't be replanting you couldn't be replanting they couldn't be replanting
Perfect
I couldn't have replanted you couldn't have replanted he couldn't have replanted we couldn't have replanted you couldn't have replanted they couldn't have replanted
V-ing perfect
I couldn't have been replanting you couldn't have been replanting he couldn't have been replanting we couldn't have been replanting you couldn't have been replanting they couldn't have been replanting
Interrogative form
Simple form
could I replant? could you replant? could he replant? could we replant? could you replant? could they replant?
V-ing form
could I be replanting? could you be replanting? could he be replanting? could we be replanting? could you be replanting? could they be replanting?
Perfect
could I have replanted? could you have replanted? could he have replanted? could we have replanted? could you have replanted? could they have replanted?
V-ing perfect
could I have been replanting? could you have been replanting? could he have been replanting? could we have been replanting? could you have been replanting? could they have been replanting?
Interro-negative form
Simple form
couldn't I replant? couldn't you replant? couldn't he replant? couldn't we replant? couldn't you replant? couldn't they replant?
V-ing form
couldn't I be replanting? couldn't you be replanting? couldn't he be replanting? couldn't we be replanting? couldn't you be replanting? couldn't they be replanting?
Perfect
couldn't I have replanted? couldn't you have replanted? couldn't he have replanted? couldn't we have replanted? couldn't you have replanted? couldn't they have replanted?
V-ing perfect
couldn't I have been replanting? couldn't you have been replanting? couldn't he have been replanting? couldn't we have been replanting? couldn't you have been replanting? couldn't they have been replanting?