I can resign you can resign she can resign we can resign you can resign they can resign
V-ing form
I can be resigning you can be resigning she can be resigning we can be resigning you can be resigning they can be resigning
Perfect
I can have resigned you can have resigned she can have resigned we can have resigned you can have resigned they can have resigned
V-ing perfect
I can have been resigning you can have been resigning she can have been resigning we can have been resigning you can have been resigning they can have been resigning
Negation
Simple form
I cannot resign you cannot resign she cannot resign we cannot resign you cannot resign they cannot resign
V-ing form
I cannot be resigning you cannot be resigning she cannot be resigning we cannot be resigning you cannot be resigning they cannot be resigning
Perfect
I cannot have resigned you cannot have resigned she cannot have resigned we cannot have resigned you cannot have resigned they cannot have resigned
V-ing perfect
I cannot have been resigning you cannot have been resigning she cannot have been resigning we cannot have been resigning you cannot have been resigning they cannot have been resigning
Interrogative form
Simple form
can I resign? can you resign? can she resign? can we resign? can you resign? can they resign?
V-ing form
can I be resigning? can you be resigning? can she be resigning? can we be resigning? can you be resigning? can they be resigning?
Perfect
can I have resigned? can you have resigned? can she have resigned? can we have resigned? can you have resigned? can they have resigned?
V-ing perfect
can I have been resigning? can you have been resigning? can she have been resigning? can we have been resigning? can you have been resigning? can they have been resigning?
Interro-negative form
Simple form
can I not resign? can you not resign? can she not resign? can we not resign? can you not resign? can they not resign?
V-ing form
can I not be resigning? can you not be resigning? can she not be resigning? can we not be resigning? can you not be resigning? can they not be resigning?
Perfect
can I not have resigned? can you not have resigned? can she not have resigned? can we not have resigned? can you not have resigned? can they not have resigned?
V-ing perfect
can I not have been resigning? can you not have been resigning? can she not have been resigning? can we not have been resigning? can you not have been resigning? can they not have been resigning?