female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD AVIATE
Regular verb: aviate - aviated - aviated
Affirmation
Simple form
I could aviateyou could aviate
he could aviate
we could aviate
you could aviate
they could aviate
V-ing form
I could be aviatingyou could be aviating
he could be aviating
we could be aviating
you could be aviating
they could be aviating
Perfect
I could have aviatedyou could have aviated
he could have aviated
we could have aviated
you could have aviated
they could have aviated
V-ing perfect
I could have been aviatingyou could have been aviating
he could have been aviating
we could have been aviating
you could have been aviating
they could have been aviating
Negation
Simple form
I couldn't aviateyou couldn't aviate
he couldn't aviate
we couldn't aviate
you couldn't aviate
they couldn't aviate
V-ing form
I couldn't be aviatingyou couldn't be aviating
he couldn't be aviating
we couldn't be aviating
you couldn't be aviating
they couldn't be aviating
Perfect
I couldn't have aviatedyou couldn't have aviated
he couldn't have aviated
we couldn't have aviated
you couldn't have aviated
they couldn't have aviated
V-ing perfect
I couldn't have been aviatingyou couldn't have been aviating
he couldn't have been aviating
we couldn't have been aviating
you couldn't have been aviating
they couldn't have been aviating
Interrogative form
Simple form
could I aviate?could you aviate?
could he aviate?
could we aviate?
could you aviate?
could they aviate?
V-ing form
could I be aviating?could you be aviating?
could he be aviating?
could we be aviating?
could you be aviating?
could they be aviating?
Perfect
could I have aviated?could you have aviated?
could he have aviated?
could we have aviated?
could you have aviated?
could they have aviated?
V-ing perfect
could I have been aviating?could you have been aviating?
could he have been aviating?
could we have been aviating?
could you have been aviating?
could they have been aviating?
Interro-negative form
Simple form
couldn't I aviate?couldn't you aviate?
couldn't he aviate?
couldn't we aviate?
couldn't you aviate?
couldn't they aviate?
V-ing form
couldn't I be aviating?couldn't you be aviating?
couldn't he be aviating?
couldn't we be aviating?
couldn't you be aviating?
couldn't they be aviating?
Perfect
couldn't I have aviated?couldn't you have aviated?
couldn't he have aviated?
couldn't we have aviated?
couldn't you have aviated?
couldn't they have aviated?
V-ing perfect
couldn't I have been aviating?couldn't you have been aviating?
couldn't he have been aviating?
couldn't we have been aviating?
couldn't you have been aviating?
couldn't they have been aviating?