I could alloy you could alloy she could alloy we could alloy you could alloy they could alloy
V-ing form
I could be alloying you could be alloying she could be alloying we could be alloying you could be alloying they could be alloying
Perfect
I could have alloyed you could have alloyed she could have alloyed we could have alloyed you could have alloyed they could have alloyed
V-ing perfect
I could have been alloying you could have been alloying she could have been alloying we could have been alloying you could have been alloying they could have been alloying
Negation
Simple form
I could not alloy you could not alloy she could not alloy we could not alloy you could not alloy they could not alloy
V-ing form
I could not be alloying you could not be alloying she could not be alloying we could not be alloying you could not be alloying they could not be alloying
Perfect
I could not have alloyed you could not have alloyed she could not have alloyed we could not have alloyed you could not have alloyed they could not have alloyed
V-ing perfect
I could not have been alloying you could not have been alloying she could not have been alloying we could not have been alloying you could not have been alloying they could not have been alloying
Interrogative form
Simple form
could I alloy? could you alloy? could she alloy? could we alloy? could you alloy? could they alloy?
V-ing form
could I be alloying? could you be alloying? could she be alloying? could we be alloying? could you be alloying? could they be alloying?
Perfect
could I have alloyed? could you have alloyed? could she have alloyed? could we have alloyed? could you have alloyed? could they have alloyed?
V-ing perfect
could I have been alloying? could you have been alloying? could she have been alloying? could we have been alloying? could you have been alloying? could they have been alloying?
Interro-negative form
Simple form
could I not alloy? could you not alloy? could she not alloy? could we not alloy? could you not alloy? could they not alloy?
V-ing form
could I not be alloying? could you not be alloying? could she not be alloying? could we not be alloying? could you not be alloying? could they not be alloying?
Perfect
could I not have alloyed? could you not have alloyed? could she not have alloyed? could we not have alloyed? could you not have alloyed? could they not have alloyed?
V-ing perfect
could I not have been alloying? could you not have been alloying? could she not have been alloying? could we not have been alloying? could you not have been alloying? could they not have been alloying?