不定冠词的用法①泛指—类人或物。eg.Thisisapencilcase.②指不具体的某个人或物。eg.ImetanoldmanOnmywayhome.③用在序数词前,相当于another.eg.There’sathirdboyneartheshop.④表示“每—（个）”,相当于every.eg.Theyhavemusiclessonstwiceaweek.必背！givealessontakeabathhavearest教（一堂）课洗（个）澡休息haveatalkhaveafeverhaveagoodtime听报告发烧过得愉快have（take）awalkhaveaheadachehaveanicetrip散步头疼旅途愉快alotof,alot,alittle,afew,aglassof,sucha／an,haveawordwith,havealook,haveatry,haveaswim,aquarter,halfanhour,threetimesaday,haveatalk,giveatalk,tenYuanakilo
