English verb conjugation
COULD BASTE

Regular verb: baste - basted - basted

Affirmation

Simple form	V-ing form
I could baste you could baste he could baste we could baste you could baste they could baste	I could be basting you could be basting he could be basting we could be basting you could be basting they could be basting
Perfect	V-ing perfect
I could have basted you could have basted he could have basted we could have basted you could have basted they could have basted	I could have been basting you could have been basting he could have been basting we could have been basting you could have been basting they could have been basting

Negation

Simple form	V-ing form
I couldn't baste you couldn't baste he couldn't baste we couldn't baste you couldn't baste they couldn't baste	I couldn't be basting you couldn't be basting he couldn't be basting we couldn't be basting you couldn't be basting they couldn't be basting
Perfect	V-ing perfect
I couldn't have basted you couldn't have basted he couldn't have basted we couldn't have basted you couldn't have basted they couldn't have basted	I couldn't have been basting you couldn't have been basting he couldn't have been basting we couldn't have been basting you couldn't have been basting they couldn't have been basting

Interrogative form

Simple form	V-ing form
could I baste? could you baste? could he baste? could we baste? could you baste? could they baste?	could I be basting? could you be basting? could he be basting? could we be basting? could you be basting? could they be basting?
Perfect	V-ing perfect
could I have basted? could you have basted? could he have basted? could we have basted? could you have basted? could they have basted?	could I have been basting? could you have been basting? could he have been basting? could we have been basting? could you have been basting? could they have been basting?

Interro-negative form

Simple form	V-ing form
couldn't I baste? couldn't you baste? couldn't he baste? couldn't we baste? couldn't you baste? couldn't they baste?	couldn't I be basting? couldn't you be basting? couldn't he be basting? couldn't we be basting? couldn't you be basting? couldn't they be basting?
Perfect	V-ing perfect
couldn't I have basted? couldn't you have basted? couldn't he have basted? couldn't we have basted? couldn't you have basted? couldn't they have basted?	couldn't I have been basting? couldn't you have been basting? couldn't he have been basting? couldn't we have been basting? couldn't you have been basting? couldn't they have been basting?