I can aggregate you can aggregate she can aggregate we can aggregate you can aggregate they can aggregate
V-ing form
I can be aggregating you can be aggregating she can be aggregating we can be aggregating you can be aggregating they can be aggregating
Perfect
I can have aggregated you can have aggregated she can have aggregated we can have aggregated you can have aggregated they can have aggregated
V-ing perfect
I can have been aggregating you can have been aggregating she can have been aggregating we can have been aggregating you can have been aggregating they can have been aggregating
Negation
Simple form
I cannot aggregate you cannot aggregate she cannot aggregate we cannot aggregate you cannot aggregate they cannot aggregate
V-ing form
I cannot be aggregating you cannot be aggregating she cannot be aggregating we cannot be aggregating you cannot be aggregating they cannot be aggregating
Perfect
I cannot have aggregated you cannot have aggregated she cannot have aggregated we cannot have aggregated you cannot have aggregated they cannot have aggregated
V-ing perfect
I cannot have been aggregating you cannot have been aggregating she cannot have been aggregating we cannot have been aggregating you cannot have been aggregating they cannot have been aggregating
Interrogative form
Simple form
can I aggregate? can you aggregate? can she aggregate? can we aggregate? can you aggregate? can they aggregate?
V-ing form
can I be aggregating? can you be aggregating? can she be aggregating? can we be aggregating? can you be aggregating? can they be aggregating?
Perfect
can I have aggregated? can you have aggregated? can she have aggregated? can we have aggregated? can you have aggregated? can they have aggregated?
V-ing perfect
can I have been aggregating? can you have been aggregating? can she have been aggregating? can we have been aggregating? can you have been aggregating? can they have been aggregating?
Interro-negative form
Simple form
can I not aggregate? can you not aggregate? can she not aggregate? can we not aggregate? can you not aggregate? can they not aggregate?
V-ing form
can I not be aggregating? can you not be aggregating? can she not be aggregating? can we not be aggregating? can you not be aggregating? can they not be aggregating?
Perfect
can I not have aggregated? can you not have aggregated? can she not have aggregated? can we not have aggregated? can you not have aggregated? can they not have aggregated?
V-ing perfect
can I not have been aggregating? can you not have been aggregating? can she not have been aggregating? can we not have been aggregating? can you not have been aggregating? can they not have been aggregating?