English verb conjugation
COULD PILOT

Regular verb: pilot - piloted - piloted

Affirmation

Simple form	V-ing form
I could pilot you could pilot he could pilot we could pilot you could pilot they could pilot	I could be piloting you could be piloting he could be piloting we could be piloting you could be piloting they could be piloting
Perfect	V-ing perfect
I could have piloted you could have piloted he could have piloted we could have piloted you could have piloted they could have piloted	I could have been piloting you could have been piloting he could have been piloting we could have been piloting you could have been piloting they could have been piloting

Negation

Simple form	V-ing form
I couldn't pilot you couldn't pilot he couldn't pilot we couldn't pilot you couldn't pilot they couldn't pilot	I couldn't be piloting you couldn't be piloting he couldn't be piloting we couldn't be piloting you couldn't be piloting they couldn't be piloting
Perfect	V-ing perfect
I couldn't have piloted you couldn't have piloted he couldn't have piloted we couldn't have piloted you couldn't have piloted they couldn't have piloted	I couldn't have been piloting you couldn't have been piloting he couldn't have been piloting we couldn't have been piloting you couldn't have been piloting they couldn't have been piloting

Interrogative form

Simple form	V-ing form
could I pilot? could you pilot? could he pilot? could we pilot? could you pilot? could they pilot?	could I be piloting? could you be piloting? could he be piloting? could we be piloting? could you be piloting? could they be piloting?
Perfect	V-ing perfect
could I have piloted? could you have piloted? could he have piloted? could we have piloted? could you have piloted? could they have piloted?	could I have been piloting? could you have been piloting? could he have been piloting? could we have been piloting? could you have been piloting? could they have been piloting?

Interro-negative form

Simple form	V-ing form
couldn't I pilot? couldn't you pilot? couldn't he pilot? couldn't we pilot? couldn't you pilot? couldn't they pilot?	couldn't I be piloting? couldn't you be piloting? couldn't he be piloting? couldn't we be piloting? couldn't you be piloting? couldn't they be piloting?
Perfect	V-ing perfect
couldn't I have piloted? couldn't you have piloted? couldn't he have piloted? couldn't we have piloted? couldn't you have piloted? couldn't they have piloted?	couldn't I have been piloting? couldn't you have been piloting? couldn't he have been piloting? couldn't we have been piloting? couldn't you have been piloting? couldn't they have been piloting?