1.---- Might I …? ---- Yes, you ________. / No, you ________. 或 No, you _________. 2. ---- May I …? ---- Yes, you ______. / No, you ______. 或 No, you _________.3. ---- Must I …? ---- Yes, you ______. / No, you _______. 或 No, you _____________.4. ---- Need I …? ---- Yes, you ______. / No, you ________. 5. ---- Can I …? ---- Yes, you can. / No, you _______.Check the answers:maymustn’tcan’tmaycan’tmustn’tmustneedn’tdon’t have tomustneedn’tcan’tUsing may for possibilityWatch and find:1. As a result, pandas may not have a place to live or food to eat.2. If we do nothing, soon there may be none left! Work out the rule:1. may+ ______A.do B. to do C. doing2. 否： may+___________A. not do B. not to do C. not doing)Practice:Practice: Choose the right answer1. — Have you decided which senior high school to choose? — Not yet. I ______ go to Moonlight School. A. must B. may C. need D. should2. — Excuse me, when are we going to have a picnic? — I’m not sure, Ask our monitor, please. He ______ know. A. need B. can C. may D. shall3. — Do you have any plans for this weekend? — I'm not sure. I ______ go climbing Mount Yuntai. A. must B. need C. may D. can4. — Is Jim coming by train? — I’m not sure. He ______ drive his car. A. must B. may C. needUsing verbs+ to-infinitivesWatch and find:1. At four months old, she weighed about eight kilograms and started to go outside for the first time.2. When she was six months old, she began to eat bamboo.3. When she was 20 months old, she learnt to look after herself.4. As a result, pandas may not have a place to live or food to eat.Work out the rule:动词不定式：1. 动词 + to + ___________ sth.A.do B. to do2. 否：...
