English verb conjugation
COULD TRANSPLANT

Regular verb: transplant - transplanted - transplanted

Affirmation

Simple form	V-ing form
I could transplant you could transplant he could transplant we could transplant you could transplant they could transplant	I could be transplanting you could be transplanting he could be transplanting we could be transplanting you could be transplanting they could be transplanting
Perfect	V-ing perfect
I could have transplanted you could have transplanted he could have transplanted we could have transplanted you could have transplanted they could have transplanted	I could have been transplanting you could have been transplanting he could have been transplanting we could have been transplanting you could have been transplanting they could have been transplanting

Negation

Simple form	V-ing form
I couldn't transplant you couldn't transplant he couldn't transplant we couldn't transplant you couldn't transplant they couldn't transplant	I couldn't be transplanting you couldn't be transplanting he couldn't be transplanting we couldn't be transplanting you couldn't be transplanting they couldn't be transplanting
Perfect	V-ing perfect
I couldn't have transplanted you couldn't have transplanted he couldn't have transplanted we couldn't have transplanted you couldn't have transplanted they couldn't have transplanted	I couldn't have been transplanting you couldn't have been transplanting he couldn't have been transplanting we couldn't have been transplanting you couldn't have been transplanting they couldn't have been transplanting

Interrogative form

Simple form	V-ing form
could I transplant? could you transplant? could he transplant? could we transplant? could you transplant? could they transplant?	could I be transplanting? could you be transplanting? could he be transplanting? could we be transplanting? could you be transplanting? could they be transplanting?
Perfect	V-ing perfect
could I have transplanted? could you have transplanted? could he have transplanted? could we have transplanted? could you have transplanted? could they have transplanted?	could I have been transplanting? could you have been transplanting? could he have been transplanting? could we have been transplanting? could you have been transplanting? could they have been transplanting?

Interro-negative form

Simple form	V-ing form
couldn't I transplant? couldn't you transplant? couldn't he transplant? couldn't we transplant? couldn't you transplant? couldn't they transplant?	couldn't I be transplanting? couldn't you be transplanting? couldn't he be transplanting? couldn't we be transplanting? couldn't you be transplanting? couldn't they be transplanting?
Perfect	V-ing perfect
couldn't I have transplanted? couldn't you have transplanted? couldn't he have transplanted? couldn't we have transplanted? couldn't you have transplanted? couldn't they have transplanted?	couldn't I have been transplanting? couldn't you have been transplanting? couldn't he have been transplanting? couldn't we have been transplanting? couldn't you have been transplanting? couldn't they have been transplanting?