I can soak you can soak he can soak we can soak you can soak they can soak
V-ing form
I can be soaking you can be soaking he can be soaking we can be soaking you can be soaking they can be soaking
Perfect
I can have soaked you can have soaked he can have soaked we can have soaked you can have soaked they can have soaked
V-ing perfect
I can have been soaking you can have been soaking he can have been soaking we can have been soaking you can have been soaking they can have been soaking
Negation
Simple form
I cannot soak you cannot soak he cannot soak we cannot soak you cannot soak they cannot soak
V-ing form
I cannot be soaking you cannot be soaking he cannot be soaking we cannot be soaking you cannot be soaking they cannot be soaking
Perfect
I cannot have soaked you cannot have soaked he cannot have soaked we cannot have soaked you cannot have soaked they cannot have soaked
V-ing perfect
I cannot have been soaking you cannot have been soaking he cannot have been soaking we cannot have been soaking you cannot have been soaking they cannot have been soaking
Interrogative form
Simple form
can I soak? can you soak? can he soak? can we soak? can you soak? can they soak?
V-ing form
can I be soaking? can you be soaking? can he be soaking? can we be soaking? can you be soaking? can they be soaking?
Perfect
can I have soaked? can you have soaked? can he have soaked? can we have soaked? can you have soaked? can they have soaked?
V-ing perfect
can I have been soaking? can you have been soaking? can he have been soaking? can we have been soaking? can you have been soaking? can they have been soaking?
Interro-negative form
Simple form
can I not soak? can you not soak? can he not soak? can we not soak? can you not soak? can they not soak?
V-ing form
can I not be soaking? can you not be soaking? can he not be soaking? can we not be soaking? can you not be soaking? can they not be soaking?
Perfect
can I not have soaked? can you not have soaked? can he not have soaked? can we not have soaked? can you not have soaked? can they not have soaked?
V-ing perfect
can I not have been soaking? can you not have been soaking? can he not have been soaking? can we not have been soaking? can you not have been soaking? can they not have been soaking?