English verb conjugation
COULD TRUCK

Regular verb: truck - trucked - trucked

Affirmation

Simple form	V-ing form
I could truck you could truck she could truck we could truck you could truck they could truck	I could be trucking you could be trucking she could be trucking we could be trucking you could be trucking they could be trucking
Perfect	V-ing perfect
I could have trucked you could have trucked she could have trucked we could have trucked you could have trucked they could have trucked	I could have been trucking you could have been trucking she could have been trucking we could have been trucking you could have been trucking they could have been trucking

Negation

Simple form	V-ing form
I couldn't truck you couldn't truck she couldn't truck we couldn't truck you couldn't truck they couldn't truck	I couldn't be trucking you couldn't be trucking she couldn't be trucking we couldn't be trucking you couldn't be trucking they couldn't be trucking
Perfect	V-ing perfect
I couldn't have trucked you couldn't have trucked she couldn't have trucked we couldn't have trucked you couldn't have trucked they couldn't have trucked	I couldn't have been trucking you couldn't have been trucking she couldn't have been trucking we couldn't have been trucking you couldn't have been trucking they couldn't have been trucking

Interrogative form

Simple form	V-ing form
could I truck? could you truck? could she truck? could we truck? could you truck? could they truck?	could I be trucking? could you be trucking? could she be trucking? could we be trucking? could you be trucking? could they be trucking?
Perfect	V-ing perfect
could I have trucked? could you have trucked? could she have trucked? could we have trucked? could you have trucked? could they have trucked?	could I have been trucking? could you have been trucking? could she have been trucking? could we have been trucking? could you have been trucking? could they have been trucking?

Interro-negative form

Simple form	V-ing form
couldn't I truck? couldn't you truck? couldn't she truck? couldn't we truck? couldn't you truck? couldn't they truck?	couldn't I be trucking? couldn't you be trucking? couldn't she be trucking? couldn't we be trucking? couldn't you be trucking? couldn't they be trucking?
Perfect	V-ing perfect
couldn't I have trucked? couldn't you have trucked? couldn't she have trucked? couldn't we have trucked? couldn't you have trucked? couldn't they have trucked?	couldn't I have been trucking? couldn't you have been trucking? couldn't she have been trucking? couldn't we have been trucking? couldn't you have been trucking? couldn't they have been trucking?