I can withstand you can withstand she can withstand we can withstand you can withstand they can withstand
V-ing form
I can be withstanding you can be withstanding she can be withstanding we can be withstanding you can be withstanding they can be withstanding
Perfect
I can have withstood you can have withstood she 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 she can have been withstanding we can have been withstanding you can have been withstanding they can have been withstanding
Negation
Simple form
I can't withstand you can't withstand she can't withstand we can't withstand you can't withstand they can't withstand
V-ing form
I can't be withstanding you can't be withstanding she can't be withstanding we can't be withstanding you can't be withstanding they can't be withstanding
Perfect
I can't have withstood you can't have withstood she can't have withstood we can't have withstood you can't have withstood they can't have withstood
V-ing perfect
I can't have been withstanding you can't have been withstanding she can't have been withstanding we can't have been withstanding you can't have been withstanding they can't have been withstanding
Interrogative form
Simple form
can I withstand? can you withstand? can she withstand? can we withstand? can you withstand? can they withstand?
V-ing form
can I be withstanding? can you be withstanding? can she be withstanding? can we be withstanding? can you be withstanding? can they be withstanding?
Perfect
can I have withstood? can you have withstood? can she 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 she have been withstanding? can we have been withstanding? can you have been withstanding? can they have been withstanding?
Interro-negative form
Simple form
can't I withstand? can't you withstand? can't she withstand? can't we withstand? can't you withstand? can't they withstand?
V-ing form
can't I be withstanding? can't you be withstanding? can't she be withstanding? can't we be withstanding? can't you be withstanding? can't they be withstanding?
Perfect
can't I have withstood? can't you have withstood? can't she have withstood? can't we have withstood? can't you have withstood? can't they have withstood?
V-ing perfect
can't I have been withstanding? can't you have been withstanding? can't she have been withstanding? can't we have been withstanding? can't you have been withstanding? can't they have been withstanding?