could interplant
Regular verb: interplant - interplanted- interplanted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could interplant
you could interplant
she could interplant
we could interplant
you could interplant
they could interplant 	I could be interplanting
you could be interplanting
she could be interplanting
we could be interplanting
you could be interplanting
they could be interplanting	I could have interplanted
you could have interplanted
she 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
she 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 	Perfect 	V-ing perfect 	
I could not interplant
you could not interplant
she could not interplant
we could not interplant
you could not interplant
they could not interplant 	I could not be interplanting
you could not be interplanting
she could not be interplanting
we could not be interplanting
you could not be interplanting
they could not be interplanting	I could not have interplanted
you could not have interplanted
she could not have interplanted
we could not have interplanted
you could not have interplanted
they could not have interplanted	I could not have been interplanting
you could not have been interplanting
she could not have been interplanting
we could not have been interplanting
you could not have been interplanting
they could not have been interplanting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I interplant?
could you interplant?
could she interplant?
could we interplant?
could you interplant?
could they interplant? 	could I be interplanting?
could you be interplanting?
could she be interplanting?
could we be interplanting?
could you be interplanting?
could they be interplanting? 	could I have interplanted?
could you have interplanted?
could she 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 she 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 	Perfect 	V-ing perfect 	
could I not interplant?
could you not interplant?
could she not interplant?
could we not interplant?
could you not interplant?
could they not interplant? 	could I not be interplanting?
could you not be interplanting?
could she not be interplanting?
could we not be interplanting?
could you not be interplanting?
could they not be interplanting? 	could I not have interplanted?
could you not have interplanted?
could she not have interplanted?
could we not have interplanted?
could you not have interplanted?
could they not have interplanted? 	could I not have been interplanting?
could you not have been interplanting?
could she not have been interplanting?
could we not have been interplanting?
could you not have been interplanting?
could they not have been interplanting?