English verb conjugation
COULD FERRY

Regular verb: ferry - ferried - ferried

Affirmation

Simple form	V-ing form
I could ferry you could ferry she could ferry we could ferry you could ferry they could ferry	I could be ferrying you could be ferrying she could be ferrying we could be ferrying you could be ferrying they could be ferrying
Perfect	V-ing perfect
I could have ferried you could have ferried she could have ferried we could have ferried you could have ferried they could have ferried	I could have been ferrying you could have been ferrying she could have been ferrying we could have been ferrying you could have been ferrying they could have been ferrying

Negation

Simple form	V-ing form
I could not ferry you could not ferry she could not ferry we could not ferry you could not ferry they could not ferry	I could not be ferrying you could not be ferrying she could not be ferrying we could not be ferrying you could not be ferrying they could not be ferrying
Perfect	V-ing perfect
I could not have ferried you could not have ferried she could not have ferried we could not have ferried you could not have ferried they could not have ferried	I could not have been ferrying you could not have been ferrying she could not have been ferrying we could not have been ferrying you could not have been ferrying they could not have been ferrying

Interrogative form

Simple form	V-ing form
could I ferry? could you ferry? could she ferry? could we ferry? could you ferry? could they ferry?	could I be ferrying? could you be ferrying? could she be ferrying? could we be ferrying? could you be ferrying? could they be ferrying?
Perfect	V-ing perfect
could I have ferried? could you have ferried? could she have ferried? could we have ferried? could you have ferried? could they have ferried?	could I have been ferrying? could you have been ferrying? could she have been ferrying? could we have been ferrying? could you have been ferrying? could they have been ferrying?

Interro-negative form

Simple form	V-ing form
could I not ferry? could you not ferry? could she not ferry? could we not ferry? could you not ferry? could they not ferry?	could I not be ferrying? could you not be ferrying? could she not be ferrying? could we not be ferrying? could you not be ferrying? could they not be ferrying?
Perfect	V-ing perfect
could I not have ferried? could you not have ferried? could she not have ferried? could we not have ferried? could you not have ferried? could they not have ferried?	could I not have been ferrying? could you not have been ferrying? could she not have been ferrying? could we not have been ferrying? could you not have been ferrying? could they not have been ferrying?