I can expectorate you can expectorate he can expectorate we can expectorate you can expectorate they can expectorate
V-ing form
I can be expectorating you can be expectorating he can be expectorating we can be expectorating you can be expectorating they can be expectorating
Perfect
I can have expectorated you can have expectorated he can have expectorated we can have expectorated you can have expectorated they can have expectorated
V-ing perfect
I can have been expectorating you can have been expectorating he can have been expectorating we can have been expectorating you can have been expectorating they can have been expectorating
Negation
Simple form
I can't expectorate you can't expectorate he can't expectorate we can't expectorate you can't expectorate they can't expectorate
V-ing form
I can't be expectorating you can't be expectorating he can't be expectorating we can't be expectorating you can't be expectorating they can't be expectorating
Perfect
I can't have expectorated you can't have expectorated he can't have expectorated we can't have expectorated you can't have expectorated they can't have expectorated
V-ing perfect
I can't have been expectorating you can't have been expectorating he can't have been expectorating we can't have been expectorating you can't have been expectorating they can't have been expectorating
Interrogative form
Simple form
can I expectorate? can you expectorate? can he expectorate? can we expectorate? can you expectorate? can they expectorate?
V-ing form
can I be expectorating? can you be expectorating? can he be expectorating? can we be expectorating? can you be expectorating? can they be expectorating?
Perfect
can I have expectorated? can you have expectorated? can he have expectorated? can we have expectorated? can you have expectorated? can they have expectorated?
V-ing perfect
can I have been expectorating? can you have been expectorating? can he have been expectorating? can we have been expectorating? can you have been expectorating? can they have been expectorating?
Interro-negative form
Simple form
can't I expectorate? can't you expectorate? can't he expectorate? can't we expectorate? can't you expectorate? can't they expectorate?
V-ing form
can't I be expectorating? can't you be expectorating? can't he be expectorating? can't we be expectorating? can't you be expectorating? can't they be expectorating?
Perfect
can't I have expectorated? can't you have expectorated? can't he have expectorated? can't we have expectorated? can't you have expectorated? can't they have expectorated?
V-ing perfect
can't I have been expectorating? can't you have been expectorating? can't he have been expectorating? can't we have been expectorating? can't you have been expectorating? can't they have been expectorating?