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