I can christen you can christen he can christen we can christen you can christen they can christen
V-ing form
I can be christening you can be christening he can be christening we can be christening you can be christening they can be christening
Perfect
I can have christened you can have christened he can have christened we can have christened you can have christened they can have christened
V-ing perfect
I can have been christening you can have been christening he can have been christening we can have been christening you can have been christening they can have been christening
Negation
Simple form
I can't christen you can't christen he can't christen we can't christen you can't christen they can't christen
V-ing form
I can't be christening you can't be christening he can't be christening we can't be christening you can't be christening they can't be christening
Perfect
I can't have christened you can't have christened he can't have christened we can't have christened you can't have christened they can't have christened
V-ing perfect
I can't have been christening you can't have been christening he can't have been christening we can't have been christening you can't have been christening they can't have been christening
Interrogative form
Simple form
can I christen? can you christen? can he christen? can we christen? can you christen? can they christen?
V-ing form
can I be christening? can you be christening? can he be christening? can we be christening? can you be christening? can they be christening?
Perfect
can I have christened? can you have christened? can he have christened? can we have christened? can you have christened? can they have christened?
V-ing perfect
can I have been christening? can you have been christening? can he have been christening? can we have been christening? can you have been christening? can they have been christening?
Interro-negative form
Simple form
can't I christen? can't you christen? can't he christen? can't we christen? can't you christen? can't they christen?
V-ing form
can't I be christening? can't you be christening? can't he be christening? can't we be christening? can't you be christening? can't they be christening?
Perfect
can't I have christened? can't you have christened? can't he have christened? can't we have christened? can't you have christened? can't they have christened?
V-ing perfect
can't I have been christening? can't you have been christening? can't he have been christening? can't we have been christening? can't you have been christening? can't they have been christening?