I could muckrake you could muckrake she could muckrake we could muckrake you could muckrake they could muckrake
V-ing form
I could be muckraking you could be muckraking she could be muckraking we could be muckraking you could be muckraking they could be muckraking
Perfect
I could have muckraked you could have muckraked she could have muckraked we could have muckraked you could have muckraked they could have muckraked
V-ing perfect
I could have been muckraking you could have been muckraking she could have been muckraking we could have been muckraking you could have been muckraking they could have been muckraking
Negation
Simple form
I couldn't muckrake you couldn't muckrake she couldn't muckrake we couldn't muckrake you couldn't muckrake they couldn't muckrake
V-ing form
I couldn't be muckraking you couldn't be muckraking she couldn't be muckraking we couldn't be muckraking you couldn't be muckraking they couldn't be muckraking
Perfect
I couldn't have muckraked you couldn't have muckraked she couldn't have muckraked we couldn't have muckraked you couldn't have muckraked they couldn't have muckraked
V-ing perfect
I couldn't have been muckraking you couldn't have been muckraking she couldn't have been muckraking we couldn't have been muckraking you couldn't have been muckraking they couldn't have been muckraking
Interrogative form
Simple form
could I muckrake? could you muckrake? could she muckrake? could we muckrake? could you muckrake? could they muckrake?
V-ing form
could I be muckraking? could you be muckraking? could she be muckraking? could we be muckraking? could you be muckraking? could they be muckraking?
Perfect
could I have muckraked? could you have muckraked? could she have muckraked? could we have muckraked? could you have muckraked? could they have muckraked?
V-ing perfect
could I have been muckraking? could you have been muckraking? could she have been muckraking? could we have been muckraking? could you have been muckraking? could they have been muckraking?
Interro-negative form
Simple form
couldn't I muckrake? couldn't you muckrake? couldn't she muckrake? couldn't we muckrake? couldn't you muckrake? couldn't they muckrake?
V-ing form
couldn't I be muckraking? couldn't you be muckraking? couldn't she be muckraking? couldn't we be muckraking? couldn't you be muckraking? couldn't they be muckraking?
Perfect
couldn't I have muckraked? couldn't you have muckraked? couldn't she have muckraked? couldn't we have muckraked? couldn't you have muckraked? couldn't they have muckraked?
V-ing perfect
couldn't I have been muckraking? couldn't you have been muckraking? couldn't she have been muckraking? couldn't we have been muckraking? couldn't you have been muckraking? couldn't they have been muckraking?