I can tranquillize you can tranquillize he can tranquillize we can tranquillize you can tranquillize they can tranquillize
V-ing form
I can be tranquillizing you can be tranquillizing he can be tranquillizing we can be tranquillizing you can be tranquillizing they can be tranquillizing
Perfect
I can have tranquillized you can have tranquillized he can have tranquillized we can have tranquillized you can have tranquillized they can have tranquillized
V-ing perfect
I can have been tranquillizing you can have been tranquillizing he can have been tranquillizing we can have been tranquillizing you can have been tranquillizing they can have been tranquillizing
Negation
Simple form
I can't tranquillize you can't tranquillize he can't tranquillize we can't tranquillize you can't tranquillize they can't tranquillize
V-ing form
I can't be tranquillizing you can't be tranquillizing he can't be tranquillizing we can't be tranquillizing you can't be tranquillizing they can't be tranquillizing
Perfect
I can't have tranquillized you can't have tranquillized he can't have tranquillized we can't have tranquillized you can't have tranquillized they can't have tranquillized
V-ing perfect
I can't have been tranquillizing you can't have been tranquillizing he can't have been tranquillizing we can't have been tranquillizing you can't have been tranquillizing they can't have been tranquillizing
Interrogative form
Simple form
can I tranquillize? can you tranquillize? can he tranquillize? can we tranquillize? can you tranquillize? can they tranquillize?
V-ing form
can I be tranquillizing? can you be tranquillizing? can he be tranquillizing? can we be tranquillizing? can you be tranquillizing? can they be tranquillizing?
Perfect
can I have tranquillized? can you have tranquillized? can he have tranquillized? can we have tranquillized? can you have tranquillized? can they have tranquillized?
V-ing perfect
can I have been tranquillizing? can you have been tranquillizing? can he have been tranquillizing? can we have been tranquillizing? can you have been tranquillizing? can they have been tranquillizing?
Interro-negative form
Simple form
can't I tranquillize? can't you tranquillize? can't he tranquillize? can't we tranquillize? can't you tranquillize? can't they tranquillize?
V-ing form
can't I be tranquillizing? can't you be tranquillizing? can't he be tranquillizing? can't we be tranquillizing? can't you be tranquillizing? can't they be tranquillizing?
Perfect
can't I have tranquillized? can't you have tranquillized? can't he have tranquillized? can't we have tranquillized? can't you have tranquillized? can't they have tranquillized?
V-ing perfect
can't I have been tranquillizing? can't you have been tranquillizing? can't he have been tranquillizing? can't we have been tranquillizing? can't you have been tranquillizing? can't they have been tranquillizing?