English verb conjugation
COULD PLASH

Regular verb: plash - plashed - plashed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I couldn't plash you couldn't plash she couldn't plash we couldn't plash you couldn't plash they couldn't plash	I couldn't be plashing you couldn't be plashing she couldn't be plashing we couldn't be plashing you couldn't be plashing they couldn't be plashing
Perfect	V-ing perfect
I couldn't have plashed you couldn't have plashed she couldn't have plashed we couldn't have plashed you couldn't have plashed they couldn't have plashed	I couldn't have been plashing you couldn't have been plashing she couldn't have been plashing we couldn't have been plashing you couldn't have been plashing they couldn't have been plashing

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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
couldn't I plash? couldn't you plash? couldn't she plash? couldn't we plash? couldn't you plash? couldn't they plash?	couldn't I be plashing? couldn't you be plashing? couldn't she be plashing? couldn't we be plashing? couldn't you be plashing? couldn't they be plashing?
Perfect	V-ing perfect
couldn't I have plashed? couldn't you have plashed? couldn't she have plashed? couldn't we have plashed? couldn't you have plashed? couldn't they have plashed?	couldn't I have been plashing? couldn't you have been plashing? couldn't she have been plashing? couldn't we have been plashing? couldn't you have been plashing? couldn't they have been plashing?