I can aerate you can aerate she can aerate we can aerate you can aerate they can aerate
V-ing form
I can be aerating you can be aerating she can be aerating we can be aerating you can be aerating they can be aerating
Perfect
I can have aerated you can have aerated she can have aerated we can have aerated you can have aerated they can have aerated
V-ing perfect
I can have been aerating you can have been aerating she can have been aerating we can have been aerating you can have been aerating they can have been aerating
Negation
Simple form
I cannot aerate you cannot aerate she cannot aerate we cannot aerate you cannot aerate they cannot aerate
V-ing form
I cannot be aerating you cannot be aerating she cannot be aerating we cannot be aerating you cannot be aerating they cannot be aerating
Perfect
I cannot have aerated you cannot have aerated she cannot have aerated we cannot have aerated you cannot have aerated they cannot have aerated
V-ing perfect
I cannot have been aerating you cannot have been aerating she cannot have been aerating we cannot have been aerating you cannot have been aerating they cannot have been aerating
Interrogative form
Simple form
can I aerate? can you aerate? can she aerate? can we aerate? can you aerate? can they aerate?
V-ing form
can I be aerating? can you be aerating? can she be aerating? can we be aerating? can you be aerating? can they be aerating?
Perfect
can I have aerated? can you have aerated? can she have aerated? can we have aerated? can you have aerated? can they have aerated?
V-ing perfect
can I have been aerating? can you have been aerating? can she have been aerating? can we have been aerating? can you have been aerating? can they have been aerating?
Interro-negative form
Simple form
can I not aerate? can you not aerate? can she not aerate? can we not aerate? can you not aerate? can they not aerate?
V-ing form
can I not be aerating? can you not be aerating? can she not be aerating? can we not be aerating? can you not be aerating? can they not be aerating?
Perfect
can I not have aerated? can you not have aerated? can she not have aerated? can we not have aerated? can you not have aerated? can they not have aerated?
V-ing perfect
can I not have been aerating? can you not have been aerating? can she not have been aerating? can we not have been aerating? can you not have been aerating? can they not have been aerating?