I can withstand you can withstand he can withstand we can withstand you can withstand they can withstand
V-ing form
I can be withstanding you can be withstanding he can be withstanding we can be withstanding you can be withstanding they can be withstanding
Perfect
I can have withstood you can have withstood he can have withstood we can have withstood you can have withstood they can have withstood
V-ing perfect
I can have been withstanding you can have been withstanding he can have been withstanding we can have been withstanding you can have been withstanding they can have been withstanding
Negation
Simple form
I cannot withstand you cannot withstand he cannot withstand we cannot withstand you cannot withstand they cannot withstand
V-ing form
I cannot be withstanding you cannot be withstanding he cannot be withstanding we cannot be withstanding you cannot be withstanding they cannot be withstanding
Perfect
I cannot have withstood you cannot have withstood he cannot have withstood we cannot have withstood you cannot have withstood they cannot have withstood
V-ing perfect
I cannot have been withstanding you cannot have been withstanding he cannot have been withstanding we cannot have been withstanding you cannot have been withstanding they cannot have been withstanding
Interrogative form
Simple form
can I withstand? can you withstand? can he withstand? can we withstand? can you withstand? can they withstand?
V-ing form
can I be withstanding? can you be withstanding? can he be withstanding? can we be withstanding? can you be withstanding? can they be withstanding?
Perfect
can I have withstood? can you have withstood? can he have withstood? can we have withstood? can you have withstood? can they have withstood?
V-ing perfect
can I have been withstanding? can you have been withstanding? can he have been withstanding? can we have been withstanding? can you have been withstanding? can they have been withstanding?
Interro-negative form
Simple form
can I not withstand? can you not withstand? can he not withstand? can we not withstand? can you not withstand? can they not withstand?
V-ing form
can I not be withstanding? can you not be withstanding? can he not be withstanding? can we not be withstanding? can you not be withstanding? can they not be withstanding?
Perfect
can I not have withstood? can you not have withstood? can he not have withstood? can we not have withstood? can you not have withstood? can they not have withstood?
V-ing perfect
can I not have been withstanding? can you not have been withstanding? can he not have been withstanding? can we not have been withstanding? can you not have been withstanding? can they not have been withstanding?