I could maraud you could maraud he could maraud we could maraud you could maraud they could maraud
V-ing form
I could be marauding you could be marauding he could be marauding we could be marauding you could be marauding they could be marauding
Perfect
I could have marauded you could have marauded he could have marauded we could have marauded you could have marauded they could have marauded
V-ing perfect
I could have been marauding you could have been marauding he could have been marauding we could have been marauding you could have been marauding they could have been marauding
Negation
Simple form
I couldn't maraud you couldn't maraud he couldn't maraud we couldn't maraud you couldn't maraud they couldn't maraud
V-ing form
I couldn't be marauding you couldn't be marauding he couldn't be marauding we couldn't be marauding you couldn't be marauding they couldn't be marauding
Perfect
I couldn't have marauded you couldn't have marauded he couldn't have marauded we couldn't have marauded you couldn't have marauded they couldn't have marauded
V-ing perfect
I couldn't have been marauding you couldn't have been marauding he couldn't have been marauding we couldn't have been marauding you couldn't have been marauding they couldn't have been marauding
Interrogative form
Simple form
could I maraud? could you maraud? could he maraud? could we maraud? could you maraud? could they maraud?
V-ing form
could I be marauding? could you be marauding? could he be marauding? could we be marauding? could you be marauding? could they be marauding?
Perfect
could I have marauded? could you have marauded? could he have marauded? could we have marauded? could you have marauded? could they have marauded?
V-ing perfect
could I have been marauding? could you have been marauding? could he have been marauding? could we have been marauding? could you have been marauding? could they have been marauding?
Interro-negative form
Simple form
couldn't I maraud? couldn't you maraud? couldn't he maraud? couldn't we maraud? couldn't you maraud? couldn't they maraud?
V-ing form
couldn't I be marauding? couldn't you be marauding? couldn't he be marauding? couldn't we be marauding? couldn't you be marauding? couldn't they be marauding?
Perfect
couldn't I have marauded? couldn't you have marauded? couldn't he have marauded? couldn't we have marauded? couldn't you have marauded? couldn't they have marauded?
V-ing perfect
couldn't I have been marauding? couldn't you have been marauding? couldn't he have been marauding? couldn't we have been marauding? couldn't you have been marauding? couldn't they have been marauding?