I can invigorate you can invigorate he can invigorate we can invigorate you can invigorate they can invigorate
V-ing form
I can be invigorating you can be invigorating he can be invigorating we can be invigorating you can be invigorating they can be invigorating
Perfect
I can have invigorated you can have invigorated he can have invigorated we can have invigorated you can have invigorated they can have invigorated
V-ing perfect
I can have been invigorating you can have been invigorating he can have been invigorating we can have been invigorating you can have been invigorating they can have been invigorating
Negation
Simple form
I cannot invigorate you cannot invigorate he cannot invigorate we cannot invigorate you cannot invigorate they cannot invigorate
V-ing form
I cannot be invigorating you cannot be invigorating he cannot be invigorating we cannot be invigorating you cannot be invigorating they cannot be invigorating
Perfect
I cannot have invigorated you cannot have invigorated he cannot have invigorated we cannot have invigorated you cannot have invigorated they cannot have invigorated
V-ing perfect
I cannot have been invigorating you cannot have been invigorating he cannot have been invigorating we cannot have been invigorating you cannot have been invigorating they cannot have been invigorating
Interrogative form
Simple form
can I invigorate? can you invigorate? can he invigorate? can we invigorate? can you invigorate? can they invigorate?
V-ing form
can I be invigorating? can you be invigorating? can he be invigorating? can we be invigorating? can you be invigorating? can they be invigorating?
Perfect
can I have invigorated? can you have invigorated? can he have invigorated? can we have invigorated? can you have invigorated? can they have invigorated?
V-ing perfect
can I have been invigorating? can you have been invigorating? can he have been invigorating? can we have been invigorating? can you have been invigorating? can they have been invigorating?
Interro-negative form
Simple form
can I not invigorate? can you not invigorate? can he not invigorate? can we not invigorate? can you not invigorate? can they not invigorate?
V-ing form
can I not be invigorating? can you not be invigorating? can he not be invigorating? can we not be invigorating? can you not be invigorating? can they not be invigorating?
Perfect
can I not have invigorated? can you not have invigorated? can he not have invigorated? can we not have invigorated? can you not have invigorated? can they not have invigorated?
V-ing perfect
can I not have been invigorating? can you not have been invigorating? can he not have been invigorating? can we not have been invigorating? can you not have been invigorating? can they not have been invigorating?