English verb conjugation
COULD ASSESS

Regular verb: assess - assessed - assessed

Affirmation

Simple form	V-ing form
I could assess you could assess he could assess we could assess you could assess they could assess	I could be assessing you could be assessing he could be assessing we could be assessing you could be assessing they could be assessing
Perfect	V-ing perfect
I could have assessed you could have assessed he could have assessed we could have assessed you could have assessed they could have assessed	I could have been assessing you could have been assessing he could have been assessing we could have been assessing you could have been assessing they could have been assessing

Negation

Simple form	V-ing form
I could not assess you could not assess he could not assess we could not assess you could not assess they could not assess	I could not be assessing you could not be assessing he could not be assessing we could not be assessing you could not be assessing they could not be assessing
Perfect	V-ing perfect
I could not have assessed you could not have assessed he could not have assessed we could not have assessed you could not have assessed they could not have assessed	I could not have been assessing you could not have been assessing he could not have been assessing we could not have been assessing you could not have been assessing they could not have been assessing

Interrogative form

Simple form	V-ing form
could I assess? could you assess? could he assess? could we assess? could you assess? could they assess?	could I be assessing? could you be assessing? could he be assessing? could we be assessing? could you be assessing? could they be assessing?
Perfect	V-ing perfect
could I have assessed? could you have assessed? could he have assessed? could we have assessed? could you have assessed? could they have assessed?	could I have been assessing? could you have been assessing? could he have been assessing? could we have been assessing? could you have been assessing? could they have been assessing?

Interro-negative form

Simple form	V-ing form
could I not assess? could you not assess? could he not assess? could we not assess? could you not assess? could they not assess?	could I not be assessing? could you not be assessing? could he not be assessing? could we not be assessing? could you not be assessing? could they not be assessing?
Perfect	V-ing perfect
could I not have assessed? could you not have assessed? could he not have assessed? could we not have assessed? could you not have assessed? could they not have assessed?	could I not have been assessing? could you not have been assessing? could he not have been assessing? could we not have been assessing? could you not have been assessing? could they not have been assessing?