English verb conjugation
COULD SURMOUNT

Regular verb: surmount - surmounted - surmounted

Affirmation

Simple form	V-ing form
I could surmount you could surmount he could surmount we could surmount you could surmount they could surmount	I could be surmounting you could be surmounting he could be surmounting we could be surmounting you could be surmounting they could be surmounting
Perfect	V-ing perfect
I could have surmounted you could have surmounted he could have surmounted we could have surmounted you could have surmounted they could have surmounted	I could have been surmounting you could have been surmounting he could have been surmounting we could have been surmounting you could have been surmounting they could have been surmounting

Negation

Simple form	V-ing form
I couldn't surmount you couldn't surmount he couldn't surmount we couldn't surmount you couldn't surmount they couldn't surmount	I couldn't be surmounting you couldn't be surmounting he couldn't be surmounting we couldn't be surmounting you couldn't be surmounting they couldn't be surmounting
Perfect	V-ing perfect
I couldn't have surmounted you couldn't have surmounted he couldn't have surmounted we couldn't have surmounted you couldn't have surmounted they couldn't have surmounted	I couldn't have been surmounting you couldn't have been surmounting he couldn't have been surmounting we couldn't have been surmounting you couldn't have been surmounting they couldn't have been surmounting

Interrogative form

Simple form	V-ing form
could I surmount? could you surmount? could he surmount? could we surmount? could you surmount? could they surmount?	could I be surmounting? could you be surmounting? could he be surmounting? could we be surmounting? could you be surmounting? could they be surmounting?
Perfect	V-ing perfect
could I have surmounted? could you have surmounted? could he have surmounted? could we have surmounted? could you have surmounted? could they have surmounted?	could I have been surmounting? could you have been surmounting? could he have been surmounting? could we have been surmounting? could you have been surmounting? could they have been surmounting?

Interro-negative form

Simple form	V-ing form
couldn't I surmount? couldn't you surmount? couldn't he surmount? couldn't we surmount? couldn't you surmount? couldn't they surmount?	couldn't I be surmounting? couldn't you be surmounting? couldn't he be surmounting? couldn't we be surmounting? couldn't you be surmounting? couldn't they be surmounting?
Perfect	V-ing perfect
couldn't I have surmounted? couldn't you have surmounted? couldn't he have surmounted? couldn't we have surmounted? couldn't you have surmounted? couldn't they have surmounted?	couldn't I have been surmounting? couldn't you have been surmounting? couldn't he have been surmounting? couldn't we have been surmounting? couldn't you have been surmounting? couldn't they have been surmounting?