English verb conjugation
COULD ASSEVERATE

Regular verb: asseverate - asseverated - asseverated

Affirmation

Simple form	V-ing form
I could asseverate you could asseverate he could asseverate we could asseverate you could asseverate they could asseverate	I could be asseverating you could be asseverating he could be asseverating we could be asseverating you could be asseverating they could be asseverating
Perfect	V-ing perfect
I could have asseverated you could have asseverated he could have asseverated we could have asseverated you could have asseverated they could have asseverated	I could have been asseverating you could have been asseverating he could have been asseverating we could have been asseverating you could have been asseverating they could have been asseverating

Negation

Simple form	V-ing form
I couldn't asseverate you couldn't asseverate he couldn't asseverate we couldn't asseverate you couldn't asseverate they couldn't asseverate	I couldn't be asseverating you couldn't be asseverating he couldn't be asseverating we couldn't be asseverating you couldn't be asseverating they couldn't be asseverating
Perfect	V-ing perfect
I couldn't have asseverated you couldn't have asseverated he couldn't have asseverated we couldn't have asseverated you couldn't have asseverated they couldn't have asseverated	I couldn't have been asseverating you couldn't have been asseverating he couldn't have been asseverating we couldn't have been asseverating you couldn't have been asseverating they couldn't have been asseverating

Interrogative form

Simple form	V-ing form
could I asseverate? could you asseverate? could he asseverate? could we asseverate? could you asseverate? could they asseverate?	could I be asseverating? could you be asseverating? could he be asseverating? could we be asseverating? could you be asseverating? could they be asseverating?
Perfect	V-ing perfect
could I have asseverated? could you have asseverated? could he have asseverated? could we have asseverated? could you have asseverated? could they have asseverated?	could I have been asseverating? could you have been asseverating? could he have been asseverating? could we have been asseverating? could you have been asseverating? could they have been asseverating?

Interro-negative form

Simple form	V-ing form
couldn't I asseverate? couldn't you asseverate? couldn't he asseverate? couldn't we asseverate? couldn't you asseverate? couldn't they asseverate?	couldn't I be asseverating? couldn't you be asseverating? couldn't he be asseverating? couldn't we be asseverating? couldn't you be asseverating? couldn't they be asseverating?
Perfect	V-ing perfect
couldn't I have asseverated? couldn't you have asseverated? couldn't he have asseverated? couldn't we have asseverated? couldn't you have asseverated? couldn't they have asseverated?	couldn't I have been asseverating? couldn't you have been asseverating? couldn't he have been asseverating? couldn't we have been asseverating? couldn't you have been asseverating? couldn't they have been asseverating?