English verb conjugation
COULD OVERFLY

Irregular verb: overfly - overflew - overflown

Affirmation

Simple form	V-ing form
I could overfly you could overfly she could overfly we could overfly you could overfly they could overfly	I could be overflying you could be overflying she could be overflying we could be overflying you could be overflying they could be overflying
Perfect	V-ing perfect
I could have overflown you could have overflown she could have overflown we could have overflown you could have overflown they could have overflown	I could have been overflying you could have been overflying she could have been overflying we could have been overflying you could have been overflying they could have been overflying

Negation

Simple form	V-ing form
I couldn't overfly you couldn't overfly she couldn't overfly we couldn't overfly you couldn't overfly they couldn't overfly	I couldn't be overflying you couldn't be overflying she couldn't be overflying we couldn't be overflying you couldn't be overflying they couldn't be overflying
Perfect	V-ing perfect
I couldn't have overflown you couldn't have overflown she couldn't have overflown we couldn't have overflown you couldn't have overflown they couldn't have overflown	I couldn't have been overflying you couldn't have been overflying she couldn't have been overflying we couldn't have been overflying you couldn't have been overflying they couldn't have been overflying

Interrogative form

Simple form	V-ing form
could I overfly? could you overfly? could she overfly? could we overfly? could you overfly? could they overfly?	could I be overflying? could you be overflying? could she be overflying? could we be overflying? could you be overflying? could they be overflying?
Perfect	V-ing perfect
could I have overflown? could you have overflown? could she have overflown? could we have overflown? could you have overflown? could they have overflown?	could I have been overflying? could you have been overflying? could she have been overflying? could we have been overflying? could you have been overflying? could they have been overflying?

Interro-negative form

Simple form	V-ing form
couldn't I overfly? couldn't you overfly? couldn't she overfly? couldn't we overfly? couldn't you overfly? couldn't they overfly?	couldn't I be overflying? couldn't you be overflying? couldn't she be overflying? couldn't we be overflying? couldn't you be overflying? couldn't they be overflying?
Perfect	V-ing perfect
couldn't I have overflown? couldn't you have overflown? couldn't she have overflown? couldn't we have overflown? couldn't you have overflown? couldn't they have overflown?	couldn't I have been overflying? couldn't you have been overflying? couldn't she have been overflying? couldn't we have been overflying? couldn't you have been overflying? couldn't they have been overflying?