English verb conjugation
COULD STARBOARD

Regular verb: starboard - starboarded - starboarded

Affirmation

Simple form	V-ing form
I could starboard you could starboard she could starboard we could starboard you could starboard they could starboard	I could be starboarding you could be starboarding she could be starboarding we could be starboarding you could be starboarding they could be starboarding
Perfect	V-ing perfect
I could have starboarded you could have starboarded she could have starboarded we could have starboarded you could have starboarded they could have starboarded	I could have been starboarding you could have been starboarding she could have been starboarding we could have been starboarding you could have been starboarding they could have been starboarding

Negation

Simple form	V-ing form
I could not starboard you could not starboard she could not starboard we could not starboard you could not starboard they could not starboard	I could not be starboarding you could not be starboarding she could not be starboarding we could not be starboarding you could not be starboarding they could not be starboarding
Perfect	V-ing perfect
I could not have starboarded you could not have starboarded she could not have starboarded we could not have starboarded you could not have starboarded they could not have starboarded	I could not have been starboarding you could not have been starboarding she could not have been starboarding we could not have been starboarding you could not have been starboarding they could not have been starboarding

Interrogative form

Simple form	V-ing form
could I starboard? could you starboard? could she starboard? could we starboard? could you starboard? could they starboard?	could I be starboarding? could you be starboarding? could she be starboarding? could we be starboarding? could you be starboarding? could they be starboarding?
Perfect	V-ing perfect
could I have starboarded? could you have starboarded? could she have starboarded? could we have starboarded? could you have starboarded? could they have starboarded?	could I have been starboarding? could you have been starboarding? could she have been starboarding? could we have been starboarding? could you have been starboarding? could they have been starboarding?

Interro-negative form

Simple form	V-ing form
could I not starboard? could you not starboard? could she not starboard? could we not starboard? could you not starboard? could they not starboard?	could I not be starboarding? could you not be starboarding? could she not be starboarding? could we not be starboarding? could you not be starboarding? could they not be starboarding?
Perfect	V-ing perfect
could I not have starboarded? could you not have starboarded? could she not have starboarded? could we not have starboarded? could you not have starboarded? could they not have starboarded?	could I not have been starboarding? could you not have been starboarding? could she not have been starboarding? could we not have been starboarding? could you not have been starboarding? could they not have been starboarding?