Unit1Friends【Grammar】PresentperfecttenseLearningaims•1
掌握现在完成时的基本结构、基本用法和动词过去分词的变化规律
理解并运用常和现在完成时连用的时间表达方式
能够在语境中正确运用现在完成时
GuideOne•1
Readthefollowingsentences
(2′•(1)
I'velivedheresinceIwasborn
Haveyouevermovedhouse
Hasthetownchangedalotovertheyears
Thegovernmenthasturnedpartofthetowncentreintoanewpark
However,mostofmyoldfriendshavemovedaway
Ithasbecomeimpossibleforustoseeeachotherasoftenasbefore
We‘velivedinthisareasincethen
Haveyouseenmyfood
以上的句子都用了_____________
•句子中的_____和_____由主语确定
•谓语动词用____________
•它的结构是______________________________
现在完成时havehas过去分词have/has+动词的过去分词•2
判断句中时态是一般过去时还是现在完成时
(3′•(1)
Hewenttothecinemalastnight
Hehasalreadyseenmanygreatfilms
Marryhasforgottentodoherhomework
TheyhavebeeninHongKongsi