English verb conjugation
COULD PRONATE

Regular verb: pronate - pronated - pronated

Affirmation

Simple form	V-ing form
I could pronate you could pronate he could pronate we could pronate you could pronate they could pronate	I could be pronating you could be pronating he could be pronating we could be pronating you could be pronating they could be pronating
Perfect	V-ing perfect
I could have pronated you could have pronated he could have pronated we could have pronated you could have pronated they could have pronated	I could have been pronating you could have been pronating he could have been pronating we could have been pronating you could have been pronating they could have been pronating

Negation

Simple form	V-ing form
I couldn't pronate you couldn't pronate he couldn't pronate we couldn't pronate you couldn't pronate they couldn't pronate	I couldn't be pronating you couldn't be pronating he couldn't be pronating we couldn't be pronating you couldn't be pronating they couldn't be pronating
Perfect	V-ing perfect
I couldn't have pronated you couldn't have pronated he couldn't have pronated we couldn't have pronated you couldn't have pronated they couldn't have pronated	I couldn't have been pronating you couldn't have been pronating he couldn't have been pronating we couldn't have been pronating you couldn't have been pronating they couldn't have been pronating

Interrogative form

Simple form	V-ing form
could I pronate? could you pronate? could he pronate? could we pronate? could you pronate? could they pronate?	could I be pronating? could you be pronating? could he be pronating? could we be pronating? could you be pronating? could they be pronating?
Perfect	V-ing perfect
could I have pronated? could you have pronated? could he have pronated? could we have pronated? could you have pronated? could they have pronated?	could I have been pronating? could you have been pronating? could he have been pronating? could we have been pronating? could you have been pronating? could they have been pronating?

Interro-negative form

Simple form	V-ing form
couldn't I pronate? couldn't you pronate? couldn't he pronate? couldn't we pronate? couldn't you pronate? couldn't they pronate?	couldn't I be pronating? couldn't you be pronating? couldn't he be pronating? couldn't we be pronating? couldn't you be pronating? couldn't they be pronating?
Perfect	V-ing perfect
couldn't I have pronated? couldn't you have pronated? couldn't he have pronated? couldn't we have pronated? couldn't you have pronated? couldn't they have pronated?	couldn't I have been pronating? couldn't you have been pronating? couldn't he have been pronating? couldn't we have been pronating? couldn't you have been pronating? couldn't they have been pronating?