I can antecede you can antecede he can antecede we can antecede you can antecede they can antecede
V-ing form
I can be anteceding you can be anteceding he can be anteceding we can be anteceding you can be anteceding they can be anteceding
Perfect
I can have anteceded you can have anteceded he can have anteceded we can have anteceded you can have anteceded they can have anteceded
V-ing perfect
I can have been anteceding you can have been anteceding he can have been anteceding we can have been anteceding you can have been anteceding they can have been anteceding
Negation
Simple form
I cannot antecede you cannot antecede he cannot antecede we cannot antecede you cannot antecede they cannot antecede
V-ing form
I cannot be anteceding you cannot be anteceding he cannot be anteceding we cannot be anteceding you cannot be anteceding they cannot be anteceding
Perfect
I cannot have anteceded you cannot have anteceded he cannot have anteceded we cannot have anteceded you cannot have anteceded they cannot have anteceded
V-ing perfect
I cannot have been anteceding you cannot have been anteceding he cannot have been anteceding we cannot have been anteceding you cannot have been anteceding they cannot have been anteceding
Interrogative form
Simple form
can I antecede? can you antecede? can he antecede? can we antecede? can you antecede? can they antecede?
V-ing form
can I be anteceding? can you be anteceding? can he be anteceding? can we be anteceding? can you be anteceding? can they be anteceding?
Perfect
can I have anteceded? can you have anteceded? can he have anteceded? can we have anteceded? can you have anteceded? can they have anteceded?
V-ing perfect
can I have been anteceding? can you have been anteceding? can he have been anteceding? can we have been anteceding? can you have been anteceding? can they have been anteceding?
Interro-negative form
Simple form
can I not antecede? can you not antecede? can he not antecede? can we not antecede? can you not antecede? can they not antecede?
V-ing form
can I not be anteceding? can you not be anteceding? can he not be anteceding? can we not be anteceding? can you not be anteceding? can they not be anteceding?
Perfect
can I not have anteceded? can you not have anteceded? can he not have anteceded? can we not have anteceded? can you not have anteceded? can they not have anteceded?
V-ing perfect
can I not have been anteceding? can you not have been anteceding? can he not have been anteceding? can we not have been anteceding? can you not have been anteceding? can they not have been anteceding?