English verb conjugation
CAN RADIOGRAPH

Regular verb: radiograph - radiographed - radiographed

Affirmation

Simple form	V-ing form
I can radiograph you can radiograph he can radiograph we can radiograph you can radiograph they can radiograph	I can be radiographing you can be radiographing he can be radiographing we can be radiographing you can be radiographing they can be radiographing
Perfect	V-ing perfect
I can have radiographed you can have radiographed he can have radiographed we can have radiographed you can have radiographed they can have radiographed	I can have been radiographing you can have been radiographing he can have been radiographing we can have been radiographing you can have been radiographing they can have been radiographing

Negation

Simple form	V-ing form
I cannot radiograph you cannot radiograph he cannot radiograph we cannot radiograph you cannot radiograph they cannot radiograph	I cannot be radiographing you cannot be radiographing he cannot be radiographing we cannot be radiographing you cannot be radiographing they cannot be radiographing
Perfect	V-ing perfect
I cannot have radiographed you cannot have radiographed he cannot have radiographed we cannot have radiographed you cannot have radiographed they cannot have radiographed	I cannot have been radiographing you cannot have been radiographing he cannot have been radiographing we cannot have been radiographing you cannot have been radiographing they cannot have been radiographing

Interrogative form

Simple form	V-ing form
can I radiograph? can you radiograph? can he radiograph? can we radiograph? can you radiograph? can they radiograph?	can I be radiographing? can you be radiographing? can he be radiographing? can we be radiographing? can you be radiographing? can they be radiographing?
Perfect	V-ing perfect
can I have radiographed? can you have radiographed? can he have radiographed? can we have radiographed? can you have radiographed? can they have radiographed?	can I have been radiographing? can you have been radiographing? can he have been radiographing? can we have been radiographing? can you have been radiographing? can they have been radiographing?

Interro-negative form

Simple form	V-ing form
can I not radiograph? can you not radiograph? can he not radiograph? can we not radiograph? can you not radiograph? can they not radiograph?	can I not be radiographing? can you not be radiographing? can he not be radiographing? can we not be radiographing? can you not be radiographing? can they not be radiographing?
Perfect	V-ing perfect
can I not have radiographed? can you not have radiographed? can he not have radiographed? can we not have radiographed? can you not have radiographed? can they not have radiographed?	can I not have been radiographing? can you not have been radiographing? can he not have been radiographing? can we not have been radiographing? can you not have been radiographing? can they not have been radiographing?