I can acetify you can acetify he can acetify we can acetify you can acetify they can acetify
V-ing form
I can be acetifying you can be acetifying he can be acetifying we can be acetifying you can be acetifying they can be acetifying
Perfect
I can have acetified you can have acetified he can have acetified we can have acetified you can have acetified they can have acetified
V-ing perfect
I can have been acetifying you can have been acetifying he can have been acetifying we can have been acetifying you can have been acetifying they can have been acetifying
Negation
Simple form
I can't acetify you can't acetify he can't acetify we can't acetify you can't acetify they can't acetify
V-ing form
I can't be acetifying you can't be acetifying he can't be acetifying we can't be acetifying you can't be acetifying they can't be acetifying
Perfect
I can't have acetified you can't have acetified he can't have acetified we can't have acetified you can't have acetified they can't have acetified
V-ing perfect
I can't have been acetifying you can't have been acetifying he can't have been acetifying we can't have been acetifying you can't have been acetifying they can't have been acetifying
Interrogative form
Simple form
can I acetify? can you acetify? can he acetify? can we acetify? can you acetify? can they acetify?
V-ing form
can I be acetifying? can you be acetifying? can he be acetifying? can we be acetifying? can you be acetifying? can they be acetifying?
Perfect
can I have acetified? can you have acetified? can he have acetified? can we have acetified? can you have acetified? can they have acetified?
V-ing perfect
can I have been acetifying? can you have been acetifying? can he have been acetifying? can we have been acetifying? can you have been acetifying? can they have been acetifying?
Interro-negative form
Simple form
can't I acetify? can't you acetify? can't he acetify? can't we acetify? can't you acetify? can't they acetify?
V-ing form
can't I be acetifying? can't you be acetifying? can't he be acetifying? can't we be acetifying? can't you be acetifying? can't they be acetifying?
Perfect
can't I have acetified? can't you have acetified? can't he have acetified? can't we have acetified? can't you have acetified? can't they have acetified?
V-ing perfect
can't I have been acetifying? can't you have been acetifying? can't he have been acetifying? can't we have been acetifying? can't you have been acetifying? can't they have been acetifying?