could plash
Regular verb: plash - plashed- plashed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could plash
you could plash
she could plash
we could plash
you could plash
they could plash 	I could be plashing
you could be plashing
she could be plashing
we could be plashing
you could be plashing
they could be plashing	I could have plashed
you could have plashed
she could have plashed
we could have plashed
you could have plashed
they could have plashed	I could have been plashing
you could have been plashing
she could have been plashing
we could have been plashing
you could have been plashing
they could have been plashing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not plash
you could not plash
she could not plash
we could not plash
you could not plash
they could not plash 	I could not be plashing
you could not be plashing
she could not be plashing
we could not be plashing
you could not be plashing
they could not be plashing	I could not have plashed
you could not have plashed
she could not have plashed
we could not have plashed
you could not have plashed
they could not have plashed	I could not have been plashing
you could not have been plashing
she could not have been plashing
we could not have been plashing
you could not have been plashing
they could not have been plashing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I plash?
could you plash?
could she plash?
could we plash?
could you plash?
could they plash? 	could I be plashing?
could you be plashing?
could she be plashing?
could we be plashing?
could you be plashing?
could they be plashing? 	could I have plashed?
could you have plashed?
could she have plashed?
could we have plashed?
could you have plashed?
could they have plashed? 	could I have been plashing?
could you have been plashing?
could she have been plashing?
could we have been plashing?
could you have been plashing?
could they have been plashing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not plash?
could you not plash?
could she not plash?
could we not plash?
could you not plash?
could they not plash? 	could I not be plashing?
could you not be plashing?
could she not be plashing?
could we not be plashing?
could you not be plashing?
could they not be plashing? 	could I not have plashed?
could you not have plashed?
could she not have plashed?
could we not have plashed?
could you not have plashed?
could they not have plashed? 	could I not have been plashing?
could you not have been plashing?
could she not have been plashing?
could we not have been plashing?
could you not have been plashing?
could they not have been plashing?