I can query you can query he can query we can query you can query they can query
V-ing form
I can be querying you can be querying he can be querying we can be querying you can be querying they can be querying
Perfect
I can have queried you can have queried he can have queried we can have queried you can have queried they can have queried
V-ing perfect
I can have been querying you can have been querying he can have been querying we can have been querying you can have been querying they can have been querying
Negation
Simple form
I can't query you can't query he can't query we can't query you can't query they can't query
V-ing form
I can't be querying you can't be querying he can't be querying we can't be querying you can't be querying they can't be querying
Perfect
I can't have queried you can't have queried he can't have queried we can't have queried you can't have queried they can't have queried
V-ing perfect
I can't have been querying you can't have been querying he can't have been querying we can't have been querying you can't have been querying they can't have been querying
Interrogative form
Simple form
can I query? can you query? can he query? can we query? can you query? can they query?
V-ing form
can I be querying? can you be querying? can he be querying? can we be querying? can you be querying? can they be querying?
Perfect
can I have queried? can you have queried? can he have queried? can we have queried? can you have queried? can they have queried?
V-ing perfect
can I have been querying? can you have been querying? can he have been querying? can we have been querying? can you have been querying? can they have been querying?
Interro-negative form
Simple form
can't I query? can't you query? can't he query? can't we query? can't you query? can't they query?
V-ing form
can't I be querying? can't you be querying? can't he be querying? can't we be querying? can't you be querying? can't they be querying?
Perfect
can't I have queried? can't you have queried? can't he have queried? can't we have queried? can't you have queried? can't they have queried?
V-ing perfect
can't I have been querying? can't you have been querying? can't he have been querying? can't we have been querying? can't you have been querying? can't they have been querying?