English verb conjugation
COULD MOTORBOAT

Regular verb: motorboat - motorboated - motorboated

Affirmation

Simple form	V-ing form
I could motorboat you could motorboat she could motorboat we could motorboat you could motorboat they could motorboat	I could be motorboating you could be motorboating she could be motorboating we could be motorboating you could be motorboating they could be motorboating
Perfect	V-ing perfect
I could have motorboated you could have motorboated she could have motorboated we could have motorboated you could have motorboated they could have motorboated	I could have been motorboating you could have been motorboating she could have been motorboating we could have been motorboating you could have been motorboating they could have been motorboating

Negation

Simple form	V-ing form
I couldn't motorboat you couldn't motorboat she couldn't motorboat we couldn't motorboat you couldn't motorboat they couldn't motorboat	I couldn't be motorboating you couldn't be motorboating she couldn't be motorboating we couldn't be motorboating you couldn't be motorboating they couldn't be motorboating
Perfect	V-ing perfect
I couldn't have motorboated you couldn't have motorboated she couldn't have motorboated we couldn't have motorboated you couldn't have motorboated they couldn't have motorboated	I couldn't have been motorboating you couldn't have been motorboating she couldn't have been motorboating we couldn't have been motorboating you couldn't have been motorboating they couldn't have been motorboating

Interrogative form

Simple form	V-ing form
could I motorboat? could you motorboat? could she motorboat? could we motorboat? could you motorboat? could they motorboat?	could I be motorboating? could you be motorboating? could she be motorboating? could we be motorboating? could you be motorboating? could they be motorboating?
Perfect	V-ing perfect
could I have motorboated? could you have motorboated? could she have motorboated? could we have motorboated? could you have motorboated? could they have motorboated?	could I have been motorboating? could you have been motorboating? could she have been motorboating? could we have been motorboating? could you have been motorboating? could they have been motorboating?

Interro-negative form

Simple form	V-ing form
couldn't I motorboat? couldn't you motorboat? couldn't she motorboat? couldn't we motorboat? couldn't you motorboat? couldn't they motorboat?	couldn't I be motorboating? couldn't you be motorboating? couldn't she be motorboating? couldn't we be motorboating? couldn't you be motorboating? couldn't they be motorboating?
Perfect	V-ing perfect
couldn't I have motorboated? couldn't you have motorboated? couldn't she have motorboated? couldn't we have motorboated? couldn't you have motorboated? couldn't they have motorboated?	couldn't I have been motorboating? couldn't you have been motorboating? couldn't she have been motorboating? couldn't we have been motorboating? couldn't you have been motorboating? couldn't they have been motorboating?