I can handwrite you can handwrite he can handwrite we can handwrite you can handwrite they can handwrite
V-ing form
I can be handwriting you can be handwriting he can be handwriting we can be handwriting you can be handwriting they can be handwriting
Perfect
I can have handwritten you can have handwritten he can have handwritten we can have handwritten you can have handwritten they can have handwritten
V-ing perfect
I can have been handwriting you can have been handwriting he can have been handwriting we can have been handwriting you can have been handwriting they can have been handwriting
Negation
Simple form
I cannot handwrite you cannot handwrite he cannot handwrite we cannot handwrite you cannot handwrite they cannot handwrite
V-ing form
I cannot be handwriting you cannot be handwriting he cannot be handwriting we cannot be handwriting you cannot be handwriting they cannot be handwriting
Perfect
I cannot have handwritten you cannot have handwritten he cannot have handwritten we cannot have handwritten you cannot have handwritten they cannot have handwritten
V-ing perfect
I cannot have been handwriting you cannot have been handwriting he cannot have been handwriting we cannot have been handwriting you cannot have been handwriting they cannot have been handwriting
Interrogative form
Simple form
can I handwrite? can you handwrite? can he handwrite? can we handwrite? can you handwrite? can they handwrite?
V-ing form
can I be handwriting? can you be handwriting? can he be handwriting? can we be handwriting? can you be handwriting? can they be handwriting?
Perfect
can I have handwritten? can you have handwritten? can he have handwritten? can we have handwritten? can you have handwritten? can they have handwritten?
V-ing perfect
can I have been handwriting? can you have been handwriting? can he have been handwriting? can we have been handwriting? can you have been handwriting? can they have been handwriting?
Interro-negative form
Simple form
can I not handwrite? can you not handwrite? can he not handwrite? can we not handwrite? can you not handwrite? can they not handwrite?
V-ing form
can I not be handwriting? can you not be handwriting? can he not be handwriting? can we not be handwriting? can you not be handwriting? can they not be handwriting?
Perfect
can I not have handwritten? can you not have handwritten? can he not have handwritten? can we not have handwritten? can you not have handwritten? can they not have handwritten?
V-ing perfect
can I not have been handwriting? can you not have been handwriting? can he not have been handwriting? can we not have been handwriting? can you not have been handwriting? can they not have been handwriting?