I can lithograph you can lithograph she can lithograph we can lithograph you can lithograph they can lithograph
V-ing form
I can be lithographing you can be lithographing she can be lithographing we can be lithographing you can be lithographing they can be lithographing
Perfect
I can have lithographed you can have lithographed she can have lithographed we can have lithographed you can have lithographed they can have lithographed
V-ing perfect
I can have been lithographing you can have been lithographing she can have been lithographing we can have been lithographing you can have been lithographing they can have been lithographing
Negation
Simple form
I cannot lithograph you cannot lithograph she cannot lithograph we cannot lithograph you cannot lithograph they cannot lithograph
V-ing form
I cannot be lithographing you cannot be lithographing she cannot be lithographing we cannot be lithographing you cannot be lithographing they cannot be lithographing
Perfect
I cannot have lithographed you cannot have lithographed she cannot have lithographed we cannot have lithographed you cannot have lithographed they cannot have lithographed
V-ing perfect
I cannot have been lithographing you cannot have been lithographing she cannot have been lithographing we cannot have been lithographing you cannot have been lithographing they cannot have been lithographing
Interrogative form
Simple form
can I lithograph? can you lithograph? can she lithograph? can we lithograph? can you lithograph? can they lithograph?
V-ing form
can I be lithographing? can you be lithographing? can she be lithographing? can we be lithographing? can you be lithographing? can they be lithographing?
Perfect
can I have lithographed? can you have lithographed? can she have lithographed? can we have lithographed? can you have lithographed? can they have lithographed?
V-ing perfect
can I have been lithographing? can you have been lithographing? can she have been lithographing? can we have been lithographing? can you have been lithographing? can they have been lithographing?
Interro-negative form
Simple form
can I not lithograph? can you not lithograph? can she not lithograph? can we not lithograph? can you not lithograph? can they not lithograph?
V-ing form
can I not be lithographing? can you not be lithographing? can she not be lithographing? can we not be lithographing? can you not be lithographing? can they not be lithographing?
Perfect
can I not have lithographed? can you not have lithographed? can she not have lithographed? can we not have lithographed? can you not have lithographed? can they not have lithographed?
V-ing perfect
can I not have been lithographing? can you not have been lithographing? can she not have been lithographing? can we not have been lithographing? can you not have been lithographing? can they not have been lithographing?