I can precontract you can precontract he can precontract we can precontract you can precontract they can precontract
V-ing form
I can be precontracting you can be precontracting he can be precontracting we can be precontracting you can be precontracting they can be precontracting
Perfect
I can have precontracted you can have precontracted he can have precontracted we can have precontracted you can have precontracted they can have precontracted
V-ing perfect
I can have been precontracting you can have been precontracting he can have been precontracting we can have been precontracting you can have been precontracting they can have been precontracting
Negation
Simple form
I cannot precontract you cannot precontract he cannot precontract we cannot precontract you cannot precontract they cannot precontract
V-ing form
I cannot be precontracting you cannot be precontracting he cannot be precontracting we cannot be precontracting you cannot be precontracting they cannot be precontracting
Perfect
I cannot have precontracted you cannot have precontracted he cannot have precontracted we cannot have precontracted you cannot have precontracted they cannot have precontracted
V-ing perfect
I cannot have been precontracting you cannot have been precontracting he cannot have been precontracting we cannot have been precontracting you cannot have been precontracting they cannot have been precontracting
Interrogative form
Simple form
can I precontract? can you precontract? can he precontract? can we precontract? can you precontract? can they precontract?
V-ing form
can I be precontracting? can you be precontracting? can he be precontracting? can we be precontracting? can you be precontracting? can they be precontracting?
Perfect
can I have precontracted? can you have precontracted? can he have precontracted? can we have precontracted? can you have precontracted? can they have precontracted?
V-ing perfect
can I have been precontracting? can you have been precontracting? can he have been precontracting? can we have been precontracting? can you have been precontracting? can they have been precontracting?
Interro-negative form
Simple form
can I not precontract? can you not precontract? can he not precontract? can we not precontract? can you not precontract? can they not precontract?
V-ing form
can I not be precontracting? can you not be precontracting? can he not be precontracting? can we not be precontracting? can you not be precontracting? can they not be precontracting?
Perfect
can I not have precontracted? can you not have precontracted? can he not have precontracted? can we not have precontracted? can you not have precontracted? can they not have precontracted?
V-ing perfect
can I not have been precontracting? can you not have been precontracting? can he not have been precontracting? can we not have been precontracting? can you not have been precontracting? can they not have been precontracting?