if you should see James,ask him to phone me.这里为什么填should?为什么是虚拟语气啊不是条件状语从句呢

If it's a deep c-----------,you should see doctor If should see you.after long year.how should i greet.with silence and tears. If I should see you,after long year,How should I greet,with silence and tears.. If I should see you after long year ,how should I greet ,with tears ,with Give her my best regards,____A.should you see her todayB.if you saw her todayC.if you would see her todayD.should you have seen her today If you have a c____,you should see a doctor at once. You should go to see the doctor in a________ (regular)hospital if you are illRT. if you are ill,you should see a doctor是什么从句 you should see the doctor if you're ill 写问句, you should see the doctor if you're ill 写问句. if you want to see ( )(远）,you should stand higher应该填farther还是further? if can see you if you can see You should go to see a doctor if you have a fever.用go to see a doctor提问 If it's a deep cut,you should see a doctor翻译成中文 If should see you,after long year .我想知道这个是什么意思, If you should see him,please ___him my regards.A.to giveB.giveC.givenD.giving If should see you,after long year .How should I greet,with silence and tears ,请帮我翻译下,