English verb conjugation
COULD PROSPECT

Regular verb: prospect - prospected - prospected

Affirmation

Simple form	V-ing form
I could prospect you could prospect she could prospect we could prospect you could prospect they could prospect	I could be prospecting you could be prospecting she could be prospecting we could be prospecting you could be prospecting they could be prospecting
Perfect	V-ing perfect
I could have prospected you could have prospected she could have prospected we could have prospected you could have prospected they could have prospected	I could have been prospecting you could have been prospecting she could have been prospecting we could have been prospecting you could have been prospecting they could have been prospecting

Negation

Simple form	V-ing form
I couldn't prospect you couldn't prospect she couldn't prospect we couldn't prospect you couldn't prospect they couldn't prospect	I couldn't be prospecting you couldn't be prospecting she couldn't be prospecting we couldn't be prospecting you couldn't be prospecting they couldn't be prospecting
Perfect	V-ing perfect
I couldn't have prospected you couldn't have prospected she couldn't have prospected we couldn't have prospected you couldn't have prospected they couldn't have prospected	I couldn't have been prospecting you couldn't have been prospecting she couldn't have been prospecting we couldn't have been prospecting you couldn't have been prospecting they couldn't have been prospecting

Interrogative form

Simple form	V-ing form
could I prospect? could you prospect? could she prospect? could we prospect? could you prospect? could they prospect?	could I be prospecting? could you be prospecting? could she be prospecting? could we be prospecting? could you be prospecting? could they be prospecting?
Perfect	V-ing perfect
could I have prospected? could you have prospected? could she have prospected? could we have prospected? could you have prospected? could they have prospected?	could I have been prospecting? could you have been prospecting? could she have been prospecting? could we have been prospecting? could you have been prospecting? could they have been prospecting?

Interro-negative form

Simple form	V-ing form
couldn't I prospect? couldn't you prospect? couldn't she prospect? couldn't we prospect? couldn't you prospect? couldn't they prospect?	couldn't I be prospecting? couldn't you be prospecting? couldn't she be prospecting? couldn't we be prospecting? couldn't you be prospecting? couldn't they be prospecting?
Perfect	V-ing perfect
couldn't I have prospected? couldn't you have prospected? couldn't she have prospected? couldn't we have prospected? couldn't you have prospected? couldn't they have prospected?	couldn't I have been prospecting? couldn't you have been prospecting? couldn't she have been prospecting? couldn't we have been prospecting? couldn't you have been prospecting? couldn't they have been prospecting?