modal verbs in the context of rules and restrictions

Lesson 12 Grammar in Use  The use of modal verbs must/have to, mustn’t, should/ought to for obligation, prohibition and advice in the context of social issues (rules and restrictions) Exercise Correct the errors in verb forms Write the correct verb form in your copybooks  He must took part in a clean-up campaign  He can to adopt an animal  He should helps the environment  She can creating a natural habitat  Do you must go to a fundraiser?  They don’t must litter in the park How can you comment on the corrections?  He (must took )must take part in a clean-up campaign  He (can to adopt) can adopt an animal  He (should helps) should help the environment  She (can creating) can create a natural habitat  (Do you must) Must you go to a fundraiser?  They (don’t must) mustn’t litter in the park MODALS: can/could, may/might, must, shall/ should, will/ would are followed by the bare infinitive  don’t take –s in the person singular either in modal or main verb  don’t take –ing or –ed suffixes  No do/does for questions and negations  come before the subject in questions and are followed by not in negations  don’t have tenses in the normal sense  DO YOU KNOW THESE SIGNS? Match the sign to its meaning      A) Sterile Mouth Shield Required  B) Smoking Allowed  C) Sterile Booties Required  D) Wash Your Hands To Prevent Germs     E) Slipping Hazard  F) Falling Hazard  G) Nuclear Hazard  H) Laundry Facility  Check your answers  B  C  D  A  G  H  F  E This is the sign of private property You have to stay out of this place You mustn’t enter OFFICE SIGN SECURITY SIGN “SAVE THE PLANET” SIGN ... by the bare infinitive  don’t take –s in the person singular either in modal or main verb  don’t take –ing or –ed suffixes  No do/does for questions and negations  come before the subject in. .. questions and are followed by not in negations  don’t have tenses in the normal sense  DO YOU KNOW THESE SIGNS? Match the sign to its meaning      A) Sterile Mouth Shield Required  B) Smoking... helps) should help the environment  She (can creating) can create a natural habitat  (Do you must) Must you go to a fundraiser?  They (don’t must) mustn’t litter in the park MODALS: can/could,