I can abandon you can abandon he can abandon we can abandon you can abandon they can abandon
V-ing form
I can be abandoning you can be abandoning he can be abandoning we can be abandoning you can be abandoning they can be abandoning
Perfect
I can have abandoned you can have abandoned he can have abandoned we can have abandoned you can have abandoned they can have abandoned
V-ing perfect
I can have been abandoning you can have been abandoning he can have been abandoning we can have been abandoning you can have been abandoning they can have been abandoning
Negation
Simple form
I can't abandon you can't abandon he can't abandon we can't abandon you can't abandon they can't abandon
V-ing form
I can't be abandoning you can't be abandoning he can't be abandoning we can't be abandoning you can't be abandoning they can't be abandoning
Perfect
I can't have abandoned you can't have abandoned he can't have abandoned we can't have abandoned you can't have abandoned they can't have abandoned
V-ing perfect
I can't have been abandoning you can't have been abandoning he can't have been abandoning we can't have been abandoning you can't have been abandoning they can't have been abandoning
Interrogative form
Simple form
can I abandon? can you abandon? can he abandon? can we abandon? can you abandon? can they abandon?
V-ing form
can I be abandoning? can you be abandoning? can he be abandoning? can we be abandoning? can you be abandoning? can they be abandoning?
Perfect
can I have abandoned? can you have abandoned? can he have abandoned? can we have abandoned? can you have abandoned? can they have abandoned?
V-ing perfect
can I have been abandoning? can you have been abandoning? can he have been abandoning? can we have been abandoning? can you have been abandoning? can they have been abandoning?
Interro-negative form
Simple form
can't I abandon? can't you abandon? can't he abandon? can't we abandon? can't you abandon? can't they abandon?
V-ing form
can't I be abandoning? can't you be abandoning? can't he be abandoning? can't we be abandoning? can't you be abandoning? can't they be abandoning?
Perfect
can't I have abandoned? can't you have abandoned? can't he have abandoned? can't we have abandoned? can't you have abandoned? can't they have abandoned?
V-ing perfect
can't I have been abandoning? can't you have been abandoning? can't he have been abandoning? can't we have been abandoning? can't you have been abandoning? can't they have been abandoning?