Unit1Topic3TheworldhaschangedforthebetterTeachingAimsa
Wordsandexpressionsasamatteroffact,discover,direct,possible,fair,invention,exciteinneed,medical,treatment,provide,conversation,secretary,engineer,fisherman,dead,army,wound,granddaughter,grandchild,ache,fire,stairs,downstairs,boardb
Patterns:
Oh,youwillgetusedtoitverysoonifyoucome
Youmustcomeforavisit
Oncetheyfindpeopleinneed,theydecideonsuitablewaystohelpthem
Theprogramalsoprovidesthemwithnicehouses
YouhavebeeninNewYorkforalongtime
ThecityhasimprovedalotsinceIcamehereafewyearsago
Bobbylefttheparktwohoursago/at8:00
Bobbyhasbeenawayfromtheparksince8:00/fortwohours
Grammar:Learnthepresentperfecttensewith“for”or“since”:Teachingfocus:Goonlearningthepresentperfecttensewith“for”or“since”andfindthedifferencesbetweenthepresentperfecttenseandt