text: help me please, would you? what´s the difference between "shall" and "should"? please explain me with giving some examples and also explain the reasons.  rawal. shall    –auxiliary verb, present singular 1st person shall, 2nd shall or (archaic) shalt, 3rd shall, present plural shall; past singular 1st person should, 2nd should or (archaic) shouldst or should‧est, 3rd should, past plural should; imperative, infinitive, and participles lacking.  1. plan to, intend to, or expect to: i shall go later.   2. will have to, is determined to, or definitely will: you shall do it. he shall do it.   3. (in laws, directives, etc.) must; is or are obliged to: the meetings of the council shall be public.   4. (used interrogatively in questions, often in invitations): shall we go?    should  –auxiliary verb  1. pt. of shall.   2. (used to express condition): were he to arrive, i should be pleased.   3. must; ought (used to indicate duty, propriety, or expediency): you should not do that.   4. would (used to make a statement less direct or blunt): i should think you would apologize.