新8A U4 Study skills.ppt

friendly ? happy ? comfortable ? safe ? healthy ? friendly happy comfortable safe healthy 1.____friendly 2.____happy 3.____correct 4.____polite 5.____comfortable 6.____safe 7.____expensive 8.____healthy 9.____usual 10.____possible 11.____tidy 12.____common 13.____patient 14.____able 15.____kind 16.____complete 17.____ direct 18.____ lucky 19.____pleasant 20.____proper This isn’t an important thing.= Can you remember the rules? We can add __________________ _______(before/after) an adjective to express the opposite meaning. 1. 一些人对他们的邻居不友好。 2. 没有必要起得那么早。 3. 许多穷人住在小而不舒服的房子里。 4. 你将不能看到格林先生。 5. 他不喜欢运动，因此他不健康。 * * Junior II Middle School Att. to Nanjing Normal University Liao Binhai 8A Unit 4 happy unhappy not happy Pre-study polite impolite not polite expensive inexpensive not expensive unhappy impolite inexpensive un- im- in- prefix (前缀) A prefix is a letter or a group of letters that we add to the front of a word to form a new word. we add the prefixes un-,in- and im- to some adjectives to give them the opposite meaning. uninteresting interesting unimportant important uncomfortable comfortable uncertain certain impossible possible impatient patient incorrect correct inactive active While-study unhealthy “un-” kind ? lucky ? pleasant ? able ? tidy usual untidy unfriendly unhappy uncomfortable unsafe unkind unlucky unpleasant ? unable ? unusual expensive ? correct ? complete direct inexpensive incorrect “in-” possible ? patient ? proper impolite “im-” ? ? incomplete indirect polite ? ? impossible impatient improper Work out the rule! Work out the rule! Discussion: Discuss with your partners about the rules to add the prefixes un-,in- and im-to som