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 can't timetable you can't timetable she can't timetable we can't timetable you can't timetable they can't timetable	I can't be timetabling you can't be timetabling she can't be timetabling we can't be timetabling you can't be timetabling they can't be timetabling
Perfect	V-ing perfect
I can't have timetabled you can't have timetabled she can't have timetabled we can't have timetabled you can't have timetabled they can't have timetabled	I can't have been timetabling you can't have been timetabling she can't have been timetabling we can't have been timetabling you can't have been timetabling they can't 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't I timetable? can't you timetable? can't she timetable? can't we timetable? can't you timetable? can't they timetable?	can't I be timetabling? can't you be timetabling? can't she be timetabling? can't we be timetabling? can't you be timetabling? can't they be timetabling?
Perfect	V-ing perfect
can't I have timetabled? can't you have timetabled? can't she have timetabled? can't we have timetabled? can't you have timetabled? can't they have timetabled?	can't I have been timetabling? can't you have been timetabling? can't she have been timetabling? can't we have been timetabling? can't you have been timetabling? can't they have been timetabling?