I can salivate you can salivate he can salivate we can salivate you can salivate they can salivate
V-ing form
I can be salivating you can be salivating he can be salivating we can be salivating you can be salivating they can be salivating
Perfect
I can have salivated you can have salivated he can have salivated we can have salivated you can have salivated they can have salivated
V-ing perfect
I can have been salivating you can have been salivating he can have been salivating we can have been salivating you can have been salivating they can have been salivating
Negation
Simple form
I cannot salivate you cannot salivate he cannot salivate we cannot salivate you cannot salivate they cannot salivate
V-ing form
I cannot be salivating you cannot be salivating he cannot be salivating we cannot be salivating you cannot be salivating they cannot be salivating
Perfect
I cannot have salivated you cannot have salivated he cannot have salivated we cannot have salivated you cannot have salivated they cannot have salivated
V-ing perfect
I cannot have been salivating you cannot have been salivating he cannot have been salivating we cannot have been salivating you cannot have been salivating they cannot have been salivating
Interrogative form
Simple form
can I salivate? can you salivate? can he salivate? can we salivate? can you salivate? can they salivate?
V-ing form
can I be salivating? can you be salivating? can he be salivating? can we be salivating? can you be salivating? can they be salivating?
Perfect
can I have salivated? can you have salivated? can he have salivated? can we have salivated? can you have salivated? can they have salivated?
V-ing perfect
can I have been salivating? can you have been salivating? can he have been salivating? can we have been salivating? can you have been salivating? can they have been salivating?
Interro-negative form
Simple form
can I not salivate? can you not salivate? can he not salivate? can we not salivate? can you not salivate? can they not salivate?
V-ing form
can I not be salivating? can you not be salivating? can he not be salivating? can we not be salivating? can you not be salivating? can they not be salivating?
Perfect
can I not have salivated? can you not have salivated? can he not have salivated? can we not have salivated? can you not have salivated? can they not have salivated?
V-ing perfect
can I not have been salivating? can you not have been salivating? can he not have been salivating? can we not have been salivating? can you not have been salivating? can they not have been salivating?