English verb conjugation
COULD BESIEGE

Regular verb: besiege - besieged - besieged

Affirmation

Simple form	V-ing form
I could besiege you could besiege she could besiege we could besiege you could besiege they could besiege	I could be besieging you could be besieging she could be besieging we could be besieging you could be besieging they could be besieging
Perfect	V-ing perfect
I could have besieged you could have besieged she could have besieged we could have besieged you could have besieged they could have besieged	I could have been besieging you could have been besieging she could have been besieging we could have been besieging you could have been besieging they could have been besieging

Negation

Simple form	V-ing form
I couldn't besiege you couldn't besiege she couldn't besiege we couldn't besiege you couldn't besiege they couldn't besiege	I couldn't be besieging you couldn't be besieging she couldn't be besieging we couldn't be besieging you couldn't be besieging they couldn't be besieging
Perfect	V-ing perfect
I couldn't have besieged you couldn't have besieged she couldn't have besieged we couldn't have besieged you couldn't have besieged they couldn't have besieged	I couldn't have been besieging you couldn't have been besieging she couldn't have been besieging we couldn't have been besieging you couldn't have been besieging they couldn't have been besieging

Interrogative form

Simple form	V-ing form
could I besiege? could you besiege? could she besiege? could we besiege? could you besiege? could they besiege?	could I be besieging? could you be besieging? could she be besieging? could we be besieging? could you be besieging? could they be besieging?
Perfect	V-ing perfect
could I have besieged? could you have besieged? could she have besieged? could we have besieged? could you have besieged? could they have besieged?	could I have been besieging? could you have been besieging? could she have been besieging? could we have been besieging? could you have been besieging? could they have been besieging?

Interro-negative form

Simple form	V-ing form
couldn't I besiege? couldn't you besiege? couldn't she besiege? couldn't we besiege? couldn't you besiege? couldn't they besiege?	couldn't I be besieging? couldn't you be besieging? couldn't she be besieging? couldn't we be besieging? couldn't you be besieging? couldn't they be besieging?
Perfect	V-ing perfect
couldn't I have besieged? couldn't you have besieged? couldn't she have besieged? couldn't we have besieged? couldn't you have besieged? couldn't they have besieged?	couldn't I have been besieging? couldn't you have been besieging? couldn't she have been besieging? couldn't we have been besieging? couldn't you have been besieging? couldn't they have been besieging?