English verb conjugation
COULD SIGNPOST

Regular verb: signpost - signposted - signposted

Affirmation

Simple form	V-ing form
I could signpost you could signpost he could signpost we could signpost you could signpost they could signpost	I could be signposting you could be signposting he could be signposting we could be signposting you could be signposting they could be signposting
Perfect	V-ing perfect
I could have signposted you could have signposted he could have signposted we could have signposted you could have signposted they could have signposted	I could have been signposting you could have been signposting he could have been signposting we could have been signposting you could have been signposting they could have been signposting

Negation

Simple form	V-ing form
I couldn't signpost you couldn't signpost he couldn't signpost we couldn't signpost you couldn't signpost they couldn't signpost	I couldn't be signposting you couldn't be signposting he couldn't be signposting we couldn't be signposting you couldn't be signposting they couldn't be signposting
Perfect	V-ing perfect
I couldn't have signposted you couldn't have signposted he couldn't have signposted we couldn't have signposted you couldn't have signposted they couldn't have signposted	I couldn't have been signposting you couldn't have been signposting he couldn't have been signposting we couldn't have been signposting you couldn't have been signposting they couldn't have been signposting

Interrogative form

Simple form	V-ing form
could I signpost? could you signpost? could he signpost? could we signpost? could you signpost? could they signpost?	could I be signposting? could you be signposting? could he be signposting? could we be signposting? could you be signposting? could they be signposting?
Perfect	V-ing perfect
could I have signposted? could you have signposted? could he have signposted? could we have signposted? could you have signposted? could they have signposted?	could I have been signposting? could you have been signposting? could he have been signposting? could we have been signposting? could you have been signposting? could they have been signposting?

Interro-negative form

Simple form	V-ing form
couldn't I signpost? couldn't you signpost? couldn't he signpost? couldn't we signpost? couldn't you signpost? couldn't they signpost?	couldn't I be signposting? couldn't you be signposting? couldn't he be signposting? couldn't we be signposting? couldn't you be signposting? couldn't they be signposting?
Perfect	V-ing perfect
couldn't I have signposted? couldn't you have signposted? couldn't he have signposted? couldn't we have signposted? couldn't you have signposted? couldn't they have signposted?	couldn't I have been signposting? couldn't you have been signposting? couldn't he have been signposting? couldn't we have been signposting? couldn't you have been signposting? couldn't they have been signposting?