English verb conjugation
COULD IMPASTE

Regular verb: impaste - impasted - impasted

Affirmation

Simple form	V-ing form
I could impaste you could impaste she could impaste we could impaste you could impaste they could impaste	I could be impasting you could be impasting she could be impasting we could be impasting you could be impasting they could be impasting
Perfect	V-ing perfect
I could have impasted you could have impasted she could have impasted we could have impasted you could have impasted they could have impasted	I could have been impasting you could have been impasting she could have been impasting we could have been impasting you could have been impasting they could have been impasting

Negation

Simple form	V-ing form
I couldn't impaste you couldn't impaste she couldn't impaste we couldn't impaste you couldn't impaste they couldn't impaste	I couldn't be impasting you couldn't be impasting she couldn't be impasting we couldn't be impasting you couldn't be impasting they couldn't be impasting
Perfect	V-ing perfect
I couldn't have impasted you couldn't have impasted she couldn't have impasted we couldn't have impasted you couldn't have impasted they couldn't have impasted	I couldn't have been impasting you couldn't have been impasting she couldn't have been impasting we couldn't have been impasting you couldn't have been impasting they couldn't have been impasting

Interrogative form

Simple form	V-ing form
could I impaste? could you impaste? could she impaste? could we impaste? could you impaste? could they impaste?	could I be impasting? could you be impasting? could she be impasting? could we be impasting? could you be impasting? could they be impasting?
Perfect	V-ing perfect
could I have impasted? could you have impasted? could she have impasted? could we have impasted? could you have impasted? could they have impasted?	could I have been impasting? could you have been impasting? could she have been impasting? could we have been impasting? could you have been impasting? could they have been impasting?

Interro-negative form

Simple form	V-ing form
couldn't I impaste? couldn't you impaste? couldn't she impaste? couldn't we impaste? couldn't you impaste? couldn't they impaste?	couldn't I be impasting? couldn't you be impasting? couldn't she be impasting? couldn't we be impasting? couldn't you be impasting? couldn't they be impasting?
Perfect	V-ing perfect
couldn't I have impasted? couldn't you have impasted? couldn't she have impasted? couldn't we have impasted? couldn't you have impasted? couldn't they have impasted?	couldn't I have been impasting? couldn't you have been impasting? couldn't she have been impasting? couldn't we have been impasting? couldn't you have been impasting? couldn't they have been impasting?