I can incise you can incise he can incise we can incise you can incise they can incise
V-ing form
I can be incising you can be incising he can be incising we can be incising you can be incising they can be incising
Perfect
I can have incised you can have incised he can have incised we can have incised you can have incised they can have incised
V-ing perfect
I can have been incising you can have been incising he can have been incising we can have been incising you can have been incising they can have been incising
Negation
Simple form
I cannot incise you cannot incise he cannot incise we cannot incise you cannot incise they cannot incise
V-ing form
I cannot be incising you cannot be incising he cannot be incising we cannot be incising you cannot be incising they cannot be incising
Perfect
I cannot have incised you cannot have incised he cannot have incised we cannot have incised you cannot have incised they cannot have incised
V-ing perfect
I cannot have been incising you cannot have been incising he cannot have been incising we cannot have been incising you cannot have been incising they cannot have been incising
Interrogative form
Simple form
can I incise? can you incise? can he incise? can we incise? can you incise? can they incise?
V-ing form
can I be incising? can you be incising? can he be incising? can we be incising? can you be incising? can they be incising?
Perfect
can I have incised? can you have incised? can he have incised? can we have incised? can you have incised? can they have incised?
V-ing perfect
can I have been incising? can you have been incising? can he have been incising? can we have been incising? can you have been incising? can they have been incising?
Interro-negative form
Simple form
can I not incise? can you not incise? can he not incise? can we not incise? can you not incise? can they not incise?
V-ing form
can I not be incising? can you not be incising? can he not be incising? can we not be incising? can you not be incising? can they not be incising?
Perfect
can I not have incised? can you not have incised? can he not have incised? can we not have incised? can you not have incised? can they not have incised?
V-ing perfect
can I not have been incising? can you not have been incising? can he not have been incising? can we not have been incising? can you not have been incising? can they not have been incising?