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