I can circumcise you can circumcise she can circumcise we can circumcise you can circumcise they can circumcise
V-ing form
I can be circumcising you can be circumcising she can be circumcising we can be circumcising you can be circumcising they can be circumcising
Perfect
I can have circumcised you can have circumcised she can have circumcised we can have circumcised you can have circumcised they can have circumcised
V-ing perfect
I can have been circumcising you can have been circumcising she can have been circumcising we can have been circumcising you can have been circumcising they can have been circumcising
Negation
Simple form
I can't circumcise you can't circumcise she can't circumcise we can't circumcise you can't circumcise they can't circumcise
V-ing form
I can't be circumcising you can't be circumcising she can't be circumcising we can't be circumcising you can't be circumcising they can't be circumcising
Perfect
I can't have circumcised you can't have circumcised she can't have circumcised we can't have circumcised you can't have circumcised they can't have circumcised
V-ing perfect
I can't have been circumcising you can't have been circumcising she can't have been circumcising we can't have been circumcising you can't have been circumcising they can't have been circumcising
Interrogative form
Simple form
can I circumcise? can you circumcise? can she circumcise? can we circumcise? can you circumcise? can they circumcise?
V-ing form
can I be circumcising? can you be circumcising? can she be circumcising? can we be circumcising? can you be circumcising? can they be circumcising?
Perfect
can I have circumcised? can you have circumcised? can she have circumcised? can we have circumcised? can you have circumcised? can they have circumcised?
V-ing perfect
can I have been circumcising? can you have been circumcising? can she have been circumcising? can we have been circumcising? can you have been circumcising? can they have been circumcising?
Interro-negative form
Simple form
can't I circumcise? can't you circumcise? can't she circumcise? can't we circumcise? can't you circumcise? can't they circumcise?
V-ing form
can't I be circumcising? can't you be circumcising? can't she be circumcising? can't we be circumcising? can't you be circumcising? can't they be circumcising?
Perfect
can't I have circumcised? can't you have circumcised? can't she have circumcised? can't we have circumcised? can't you have circumcised? can't they have circumcised?
V-ing perfect
can't I have been circumcising? can't you have been circumcising? can't she have been circumcising? can't we have been circumcising? can't you have been circumcising? can't they have been circumcising?