I could splash you could splash she could splash we could splash you could splash they could splash
V-ing form
I could be splashing you could be splashing she could be splashing we could be splashing you could be splashing they could be splashing
Perfect
I could have splashed you could have splashed she could have splashed we could have splashed you could have splashed they could have splashed
V-ing perfect
I could have been splashing you could have been splashing she could have been splashing we could have been splashing you could have been splashing they could have been splashing
Negation
Simple form
I could not splash you could not splash she could not splash we could not splash you could not splash they could not splash
V-ing form
I could not be splashing you could not be splashing she could not be splashing we could not be splashing you could not be splashing they could not be splashing
Perfect
I could not have splashed you could not have splashed she could not have splashed we could not have splashed you could not have splashed they could not have splashed
V-ing perfect
I could not have been splashing you could not have been splashing she could not have been splashing we could not have been splashing you could not have been splashing they could not have been splashing
Interrogative form
Simple form
could I splash? could you splash? could she splash? could we splash? could you splash? could they splash?
V-ing form
could I be splashing? could you be splashing? could she be splashing? could we be splashing? could you be splashing? could they be splashing?
Perfect
could I have splashed? could you have splashed? could she have splashed? could we have splashed? could you have splashed? could they have splashed?
V-ing perfect
could I have been splashing? could you have been splashing? could she have been splashing? could we have been splashing? could you have been splashing? could they have been splashing?
Interro-negative form
Simple form
could I not splash? could you not splash? could she not splash? could we not splash? could you not splash? could they not splash?
V-ing form
could I not be splashing? could you not be splashing? could she not be splashing? could we not be splashing? could you not be splashing? could they not be splashing?
Perfect
could I not have splashed? could you not have splashed? could she not have splashed? could we not have splashed? could you not have splashed? could they not have splashed?
V-ing perfect
could I not have been splashing? could you not have been splashing? could she not have been splashing? could we not have been splashing? could you not have been splashing? could they not have been splashing?