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 can't radiograph you can't radiograph he can't radiograph we can't radiograph you can't radiograph they can't radiograph	I can't be radiographing you can't be radiographing he can't be radiographing we can't be radiographing you can't be radiographing they can't be radiographing
Perfect	V-ing perfect
I can't have radiographed you can't have radiographed he can't have radiographed we can't have radiographed you can't have radiographed they can't have radiographed	I can't have been radiographing you can't have been radiographing he can't have been radiographing we can't have been radiographing you can't have been radiographing they can't 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't I radiograph? can't you radiograph? can't he radiograph? can't we radiograph? can't you radiograph? can't they radiograph?	can't I be radiographing? can't you be radiographing? can't he be radiographing? can't we be radiographing? can't you be radiographing? can't they be radiographing?
Perfect	V-ing perfect
can't I have radiographed? can't you have radiographed? can't he have radiographed? can't we have radiographed? can't you have radiographed? can't they have radiographed?	can't I have been radiographing? can't you have been radiographing? can't he have been radiographing? can't we have been radiographing? can't you have been radiographing? can't they have been radiographing?