I can acquire you can acquire he can acquire we can acquire you can acquire they can acquire
V-ing form
I can be acquiring you can be acquiring he can be acquiring we can be acquiring you can be acquiring they can be acquiring
Perfect
I can have acquired you can have acquired he can have acquired we can have acquired you can have acquired they can have acquired
V-ing perfect
I can have been acquiring you can have been acquiring he can have been acquiring we can have been acquiring you can have been acquiring they can have been acquiring
Negation
Simple form
I can't acquire you can't acquire he can't acquire we can't acquire you can't acquire they can't acquire
V-ing form
I can't be acquiring you can't be acquiring he can't be acquiring we can't be acquiring you can't be acquiring they can't be acquiring
Perfect
I can't have acquired you can't have acquired he can't have acquired we can't have acquired you can't have acquired they can't have acquired
V-ing perfect
I can't have been acquiring you can't have been acquiring he can't have been acquiring we can't have been acquiring you can't have been acquiring they can't have been acquiring
Interrogative form
Simple form
can I acquire? can you acquire? can he acquire? can we acquire? can you acquire? can they acquire?
V-ing form
can I be acquiring? can you be acquiring? can he be acquiring? can we be acquiring? can you be acquiring? can they be acquiring?
Perfect
can I have acquired? can you have acquired? can he have acquired? can we have acquired? can you have acquired? can they have acquired?
V-ing perfect
can I have been acquiring? can you have been acquiring? can he have been acquiring? can we have been acquiring? can you have been acquiring? can they have been acquiring?
Interro-negative form
Simple form
can't I acquire? can't you acquire? can't he acquire? can't we acquire? can't you acquire? can't they acquire?
V-ing form
can't I be acquiring? can't you be acquiring? can't he be acquiring? can't we be acquiring? can't you be acquiring? can't they be acquiring?
Perfect
can't I have acquired? can't you have acquired? can't he have acquired? can't we have acquired? can't you have acquired? can't they have acquired?
V-ing perfect
can't I have been acquiring? can't you have been acquiring? can't he have been acquiring? can't we have been acquiring? can't you have been acquiring? can't they have been acquiring?