I can aerate you can aerate he can aerate we can aerate you can aerate they can aerate
V-ing form
I can be aerating you can be aerating he can be aerating we can be aerating you can be aerating they can be aerating
Perfect
I can have aerated you can have aerated he 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 he can have been aerating we can have been aerating you can have been aerating they can have been aerating
Negation
Simple form
I can't aerate you can't aerate he can't aerate we can't aerate you can't aerate they can't aerate
V-ing form
I can't be aerating you can't be aerating he can't be aerating we can't be aerating you can't be aerating they can't be aerating
Perfect
I can't have aerated you can't have aerated he can't have aerated we can't have aerated you can't have aerated they can't have aerated
V-ing perfect
I can't have been aerating you can't have been aerating he can't have been aerating we can't have been aerating you can't have been aerating they can't have been aerating
Interrogative form
Simple form
can I aerate? can you aerate? can he aerate? can we aerate? can you aerate? can they aerate?
V-ing form
can I be aerating? can you be aerating? can he be aerating? can we be aerating? can you be aerating? can they be aerating?
Perfect
can I have aerated? can you have aerated? can he 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 he have been aerating? can we have been aerating? can you have been aerating? can they have been aerating?
Interro-negative form
Simple form
can't I aerate? can't you aerate? can't he aerate? can't we aerate? can't you aerate? can't they aerate?
V-ing form
can't I be aerating? can't you be aerating? can't he be aerating? can't we be aerating? can't you be aerating? can't they be aerating?
Perfect
can't I have aerated? can't you have aerated? can't he have aerated? can't we have aerated? can't you have aerated? can't they have aerated?
V-ing perfect
can't I have been aerating? can't you have been aerating? can't he have been aerating? can't we have been aerating? can't you have been aerating? can't they have been aerating?