I can collate you can collate she can collate we can collate you can collate they can collate
V-ing form
I can be collating you can be collating she can be collating we can be collating you can be collating they can be collating
Perfect
I can have collated you can have collated she can have collated we can have collated you can have collated they can have collated
V-ing perfect
I can have been collating you can have been collating she can have been collating we can have been collating you can have been collating they can have been collating
Negation
Simple form
I cannot collate you cannot collate she cannot collate we cannot collate you cannot collate they cannot collate
V-ing form
I cannot be collating you cannot be collating she cannot be collating we cannot be collating you cannot be collating they cannot be collating
Perfect
I cannot have collated you cannot have collated she cannot have collated we cannot have collated you cannot have collated they cannot have collated
V-ing perfect
I cannot have been collating you cannot have been collating she cannot have been collating we cannot have been collating you cannot have been collating they cannot have been collating
Interrogative form
Simple form
can I collate? can you collate? can she collate? can we collate? can you collate? can they collate?
V-ing form
can I be collating? can you be collating? can she be collating? can we be collating? can you be collating? can they be collating?
Perfect
can I have collated? can you have collated? can she have collated? can we have collated? can you have collated? can they have collated?
V-ing perfect
can I have been collating? can you have been collating? can she have been collating? can we have been collating? can you have been collating? can they have been collating?
Interro-negative form
Simple form
can I not collate? can you not collate? can she not collate? can we not collate? can you not collate? can they not collate?
V-ing form
can I not be collating? can you not be collating? can she not be collating? can we not be collating? can you not be collating? can they not be collating?
Perfect
can I not have collated? can you not have collated? can she not have collated? can we not have collated? can you not have collated? can they not have collated?
V-ing perfect
can I not have been collating? can you not have been collating? can she not have been collating? can we not have been collating? can you not have been collating? can they not have been collating?