I could tot you could tot he could tot we could tot you could tot they could tot
V-ing form
I could be totting you could be totting he could be totting we could be totting you could be totting they could be totting
Perfect
I could have totted you could have totted he could have totted we could have totted you could have totted they could have totted
V-ing perfect
I could have been totting you could have been totting he could have been totting we could have been totting you could have been totting they could have been totting
Negation
Simple form
I could not tot you could not tot he could not tot we could not tot you could not tot they could not tot
V-ing form
I could not be totting you could not be totting he could not be totting we could not be totting you could not be totting they could not be totting
Perfect
I could not have totted you could not have totted he could not have totted we could not have totted you could not have totted they could not have totted
V-ing perfect
I could not have been totting you could not have been totting he could not have been totting we could not have been totting you could not have been totting they could not have been totting
Interrogative form
Simple form
could I tot? could you tot? could he tot? could we tot? could you tot? could they tot?
V-ing form
could I be totting? could you be totting? could he be totting? could we be totting? could you be totting? could they be totting?
Perfect
could I have totted? could you have totted? could he have totted? could we have totted? could you have totted? could they have totted?
V-ing perfect
could I have been totting? could you have been totting? could he have been totting? could we have been totting? could you have been totting? could they have been totting?
Interro-negative form
Simple form
could I not tot? could you not tot? could he not tot? could we not tot? could you not tot? could they not tot?
V-ing form
could I not be totting? could you not be totting? could he not be totting? could we not be totting? could you not be totting? could they not be totting?
Perfect
could I not have totted? could you not have totted? could he not have totted? could we not have totted? could you not have totted? could they not have totted?
V-ing perfect
could I not have been totting? could you not have been totting? could he not have been totting? could we not have been totting? could you not have been totting? could they not have been totting?