I could overtake you could overtake he could overtake we could overtake you could overtake they could overtake
V-ing form
I could be overtaking you could be overtaking he could be overtaking we could be overtaking you could be overtaking they could be overtaking
Perfect
I could have overtaken you could have overtaken he could have overtaken we could have overtaken you could have overtaken they could have overtaken
V-ing perfect
I could have been overtaking you could have been overtaking he could have been overtaking we could have been overtaking you could have been overtaking they could have been overtaking
Negation
Simple form
I couldn't overtake you couldn't overtake he couldn't overtake we couldn't overtake you couldn't overtake they couldn't overtake
V-ing form
I couldn't be overtaking you couldn't be overtaking he couldn't be overtaking we couldn't be overtaking you couldn't be overtaking they couldn't be overtaking
Perfect
I couldn't have overtaken you couldn't have overtaken he couldn't have overtaken we couldn't have overtaken you couldn't have overtaken they couldn't have overtaken
V-ing perfect
I couldn't have been overtaking you couldn't have been overtaking he couldn't have been overtaking we couldn't have been overtaking you couldn't have been overtaking they couldn't have been overtaking
Interrogative form
Simple form
could I overtake? could you overtake? could he overtake? could we overtake? could you overtake? could they overtake?
V-ing form
could I be overtaking? could you be overtaking? could he be overtaking? could we be overtaking? could you be overtaking? could they be overtaking?
Perfect
could I have overtaken? could you have overtaken? could he have overtaken? could we have overtaken? could you have overtaken? could they have overtaken?
V-ing perfect
could I have been overtaking? could you have been overtaking? could he have been overtaking? could we have been overtaking? could you have been overtaking? could they have been overtaking?
Interro-negative form
Simple form
couldn't I overtake? couldn't you overtake? couldn't he overtake? couldn't we overtake? couldn't you overtake? couldn't they overtake?
V-ing form
couldn't I be overtaking? couldn't you be overtaking? couldn't he be overtaking? couldn't we be overtaking? couldn't you be overtaking? couldn't they be overtaking?
Perfect
couldn't I have overtaken? couldn't you have overtaken? couldn't he have overtaken? couldn't we have overtaken? couldn't you have overtaken? couldn't they have overtaken?
V-ing perfect
couldn't I have been overtaking? couldn't you have been overtaking? couldn't he have been overtaking? couldn't we have been overtaking? couldn't you have been overtaking? couldn't they have been overtaking?