English verb conjugation
COULD GUEST

Regular verb: guest - guested - guested

Affirmation

Simple form	V-ing form
I could guest you could guest she could guest we could guest you could guest they could guest	I could be guesting you could be guesting she could be guesting we could be guesting you could be guesting they could be guesting
Perfect	V-ing perfect
I could have guested you could have guested she could have guested we could have guested you could have guested they could have guested	I could have been guesting you could have been guesting she could have been guesting we could have been guesting you could have been guesting they could have been guesting

Negation

Simple form	V-ing form
I couldn't guest you couldn't guest she couldn't guest we couldn't guest you couldn't guest they couldn't guest	I couldn't be guesting you couldn't be guesting she couldn't be guesting we couldn't be guesting you couldn't be guesting they couldn't be guesting
Perfect	V-ing perfect
I couldn't have guested you couldn't have guested she couldn't have guested we couldn't have guested you couldn't have guested they couldn't have guested	I couldn't have been guesting you couldn't have been guesting she couldn't have been guesting we couldn't have been guesting you couldn't have been guesting they couldn't have been guesting

Interrogative form

Simple form	V-ing form
could I guest? could you guest? could she guest? could we guest? could you guest? could they guest?	could I be guesting? could you be guesting? could she be guesting? could we be guesting? could you be guesting? could they be guesting?
Perfect	V-ing perfect
could I have guested? could you have guested? could she have guested? could we have guested? could you have guested? could they have guested?	could I have been guesting? could you have been guesting? could she have been guesting? could we have been guesting? could you have been guesting? could they have been guesting?

Interro-negative form

Simple form	V-ing form
couldn't I guest? couldn't you guest? couldn't she guest? couldn't we guest? couldn't you guest? couldn't they guest?	couldn't I be guesting? couldn't you be guesting? couldn't she be guesting? couldn't we be guesting? couldn't you be guesting? couldn't they be guesting?
Perfect	V-ing perfect
couldn't I have guested? couldn't you have guested? couldn't she have guested? couldn't we have guested? couldn't you have guested? couldn't they have guested?	couldn't I have been guesting? couldn't you have been guesting? couldn't she have been guesting? couldn't we have been guesting? couldn't you have been guesting? couldn't they have been guesting?