how often shall i take this medicine中的shall 可以换成should吗?

how often shall i take this medicine中的shall 可以换成should吗? What should we do?那个“should”可以换成“shall”吗? What should Jim do?should可以换成shall吗? 英语情态动词的使用.shall I call him for you?这个shall 可以换成should吗? how shall i do? 1.If you don't go ,neither shall I中的“shall"能不能换成"do"? what medicine?should i take? how often should we take the medicine for a child?这句英语的意思? 5.A:How often ____________ take the medicine?B:You should ta how often does she take medicine?E___meal How often _ take the medicine? How shall I address you?