Irregular verb: fly - flew - flown
Simple form | V-ing form |
I could fly you could fly he could fly we could fly you could fly they could fly | I could be flying you could be flying he could be flying we could be flying you could be flying they could be flying |
Perfect | V-ing perfect |
I could have flown you could have flown he could have flown we could have flown you could have flown they could have flown | I could have been flying you could have been flying he could have been flying we could have been flying you could have been flying they could have been flying |
Simple form | V-ing form |
I couldn't fly you couldn't fly he couldn't fly we couldn't fly you couldn't fly they couldn't fly | I couldn't be flying you couldn't be flying he couldn't be flying we couldn't be flying you couldn't be flying they couldn't be flying |
Perfect | V-ing perfect |
I couldn't have flown you couldn't have flown he couldn't have flown we couldn't have flown you couldn't have flown they couldn't have flown | I couldn't have been flying you couldn't have been flying he couldn't have been flying we couldn't have been flying you couldn't have been flying they couldn't have been flying |
Simple form | V-ing form |
could I fly? could you fly? could he fly? could we fly? could you fly? could they fly? | could I be flying? could you be flying? could he be flying? could we be flying? could you be flying? could they be flying? |
Perfect | V-ing perfect |
could I have flown? could you have flown? could he have flown? could we have flown? could you have flown? could they have flown? | could I have been flying? could you have been flying? could he have been flying? could we have been flying? could you have been flying? could they have been flying? |
Simple form | V-ing form |
couldn't I fly? couldn't you fly? couldn't he fly? couldn't we fly? couldn't you fly? couldn't they fly? | couldn't I be flying? couldn't you be flying? couldn't he be flying? couldn't we be flying? couldn't you be flying? couldn't they be flying? |
Perfect | V-ing perfect |
couldn't I have flown? couldn't you have flown? couldn't he have flown? couldn't we have flown? couldn't you have flown? couldn't they have flown? | couldn't I have been flying? couldn't you have been flying? couldn't he have been flying? couldn't we have been flying? couldn't you have been flying? couldn't they have been flying? |