Unit 2 Healthy eating Grammar 学案【要达成的目标】1. The students will be able to understand the use of modal verbs better.2. The students will be able to use the modal verbs properly.【“教”与“学”过程】本堂课使用的电教手段 1Task 1 Individual Work Before Class (10 minutes)Activity (1) Read the passage on page 10 and explain the meaning of the underlined modal verbs. Intention Duty Permission Possibility Guessing Ability① Then by lunchtime they would all be sold. ( )② By now his restaurant ought to be full of people. ( )③ What could have happened? ( )④ Nothing could be better. ( )⑤ Something terrible must have happened. ( )⑥ I’ll help you lose weight. ( )⑦ He could not believe his eyes. ( )⑧ Perhaps he should go to the library and find out. ( )⑨ He couldn’t have Yong Hui getting away with telling people lies.( )⑩ He had better do some research. ( )① Even though her customers might get thin…( )② They would become tired very quickly. ( )③ He could win his customers back. ( )④ You can use my computer as long as you take care of it. ( )⑤ The students can have a discussion in class as long as they don’t make too much noise. ( )Task 2 Group Work In Class (5 minutes)Activity (1) Discuss the answers to the activity above.Activity (2) Check the answers.Task 3 Group Work In Class (10 minutes)Activity (1) Explain the meaning of the modal verbs.① Students mustn’t use a mobile phone at school. ( )② You needn’t come today. ( )③ Children under 10 don’t have to buy a ticket. ( )④ We will die without air. ( )⑤ You oughtn’t to drive if you are feeling so tired. ( )⑥ He left 2 hours ago so he ought to be there by two. ( )Activity (2) Check the answers.2...