English verb conjugation
CAN TIMETABLE

Regular verb: timetable - timetabled - timetabled

Affirmation

Simple form	V-ing form
I can timetable you can timetable she can timetable we can timetable you can timetable they can timetable	I can be timetabling you can be timetabling she can be timetabling we can be timetabling you can be timetabling they can be timetabling
Perfect	V-ing perfect
I can have timetabled you can have timetabled she can have timetabled we can have timetabled you can have timetabled they can have timetabled	I can have been timetabling you can have been timetabling she can have been timetabling we can have been timetabling you can have been timetabling they can have been timetabling

Negation

Simple form	V-ing form
I cannot timetable you cannot timetable she cannot timetable we cannot timetable you cannot timetable they cannot timetable	I cannot be timetabling you cannot be timetabling she cannot be timetabling we cannot be timetabling you cannot be timetabling they cannot be timetabling
Perfect	V-ing perfect
I cannot have timetabled you cannot have timetabled she cannot have timetabled we cannot have timetabled you cannot have timetabled they cannot have timetabled	I cannot have been timetabling you cannot have been timetabling she cannot have been timetabling we cannot have been timetabling you cannot have been timetabling they cannot have been timetabling

Interrogative form

Simple form	V-ing form
can I timetable? can you timetable? can she timetable? can we timetable? can you timetable? can they timetable?	can I be timetabling? can you be timetabling? can she be timetabling? can we be timetabling? can you be timetabling? can they be timetabling?
Perfect	V-ing perfect
can I have timetabled? can you have timetabled? can she have timetabled? can we have timetabled? can you have timetabled? can they have timetabled?	can I have been timetabling? can you have been timetabling? can she have been timetabling? can we have been timetabling? can you have been timetabling? can they have been timetabling?

Interro-negative form

Simple form	V-ing form
can I not timetable? can you not timetable? can she not timetable? can we not timetable? can you not timetable? can they not timetable?	can I not be timetabling? can you not be timetabling? can she not be timetabling? can we not be timetabling? can you not be timetabling? can they not be timetabling?
Perfect	V-ing perfect
can I not have timetabled? can you not have timetabled? can she not have timetabled? can we not have timetabled? can you not have timetabled? can they not have timetabled?	can I not have been timetabling? can you not have been timetabling? can she not have been timetabling? can we not have been timetabling? can you not have been timetabling? can they not have been timetabling?