I could grubstake you could grubstake he could grubstake we could grubstake you could grubstake they could grubstake
Forme en V-ing
I could be grubstaking you could be grubstaking he could be grubstaking we could be grubstaking you could be grubstaking they could be grubstaking
Perfect
I could have grubstaked you could have grubstaked he could have grubstaked we could have grubstaked you could have grubstaked they could have grubstaked
Perfect en V-ing
I could have been grubstaking you could have been grubstaking he could have been grubstaking we could have been grubstaking you could have been grubstaking they could have been grubstaking
Négation
Forme simple
I could not grubstake you could not grubstake he could not grubstake we could not grubstake you could not grubstake they could not grubstake
Forme en V-ing
I could not be grubstaking you could not be grubstaking he could not be grubstaking we could not be grubstaking you could not be grubstaking they could not be grubstaking
Perfect
I could not have grubstaked you could not have grubstaked he could not have grubstaked we could not have grubstaked you could not have grubstaked they could not have grubstaked
Perfect en V-ing
I could not have been grubstaking you could not have been grubstaking he could not have been grubstaking we could not have been grubstaking you could not have been grubstaking they could not have been grubstaking
Forme interrogative
Forme simple
could I grubstake? could you grubstake? could he grubstake? could we grubstake? could you grubstake? could they grubstake?
Forme en V-ing
could I be grubstaking? could you be grubstaking? could he be grubstaking? could we be grubstaking? could you be grubstaking? could they be grubstaking?
Perfect
could I have grubstaked? could you have grubstaked? could he have grubstaked? could we have grubstaked? could you have grubstaked? could they have grubstaked?
Perfect en V-ing
could I have been grubstaking? could you have been grubstaking? could he have been grubstaking? could we have been grubstaking? could you have been grubstaking? could they have been grubstaking?
Forme interro-négative
Forme simple
could I not grubstake? could you not grubstake? could he not grubstake? could we not grubstake? could you not grubstake? could they not grubstake?
Forme en V-ing
could I not be grubstaking? could you not be grubstaking? could he not be grubstaking? could we not be grubstaking? could you not be grubstaking? could they not be grubstaking?
Perfect
could I not have grubstaked? could you not have grubstaked? could he not have grubstaked? could we not have grubstaked? could you not have grubstaked? could they not have grubstaked?
Perfect en V-ing
could I not have been grubstaking? could you not have been grubstaking? could he not have been grubstaking? could we not have been grubstaking? could you not have been grubstaking? could they not have been grubstaking?