could ferry
Regular verb: ferry - ferried- ferried

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
I couldn't ferry
you couldn't ferry
she couldn't ferry
we couldn't ferry
you couldn't ferry
they couldn't ferry 	I couldn't be ferrying
you couldn't be ferrying
she couldn't be ferrying
we couldn't be ferrying
you couldn't be ferrying
they couldn't be ferrying	I couldn't have ferried
you couldn't have ferried
she couldn't have ferried
we couldn't have ferried
you couldn't have ferried
they couldn't have ferried	I couldn't have been ferrying
you couldn't have been ferrying
she couldn't have been ferrying
we couldn't have been ferrying
you couldn't have been ferrying
they couldn't have been ferrying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
couldn't I ferry?
couldn't you ferry?
couldn't she ferry?
couldn't we ferry?
couldn't you ferry?
couldn't they ferry? 	couldn't I be ferrying?
couldn't you be ferrying?
couldn't she be ferrying?
couldn't we be ferrying?
couldn't you be ferrying?
couldn't they be ferrying? 	couldn't I have ferried?
couldn't you have ferried?
couldn't she have ferried?
couldn't we have ferried?
couldn't you have ferried?
couldn't they have ferried? 	couldn't I have been ferrying?
couldn't you have been ferrying?
couldn't she have been ferrying?
couldn't we have been ferrying?
couldn't you have been ferrying?
couldn't they have been ferrying?