1.different2.swing3.before4.slide5.pond6.can---could7.feedtheducks8.park9.only10.London1.LingIngisinNewYork.()2.Londonlooksdifferentnow.()3.Thereweresomeswingsintheparkbefore.()4.Therewasonlyaslideintheparkbefore.()5.Therewasn’tapondbefore.()6.Wecouldfeedtheducksbefore.()7.Wecan’tfeedtheducksnow.()画或。villagebeforenowTherewasanoldhouseinthevillagebefore.Thereisanewhouseinthevillagenow.beforenowThereweresometreesonthehillbefore.Therearen’tanytreesonthehillnow.beforenowTherewassomecleanwaterintheriverbefore.Thereisn’tanycleanwaterintherivernow.villageThereweren’tanycarsinthevillagebefore.Therearemanycarsinthevillagenow.beforenowTherewasashopherebefore.Thereisasupermarketherenow.beforenowbeforenowTherewasn’t______herebefore.Thereis____________herenow.beforenowHewasababybefore.Nowheisaboy.beforenowTherewasalakeherebefore.Therearemanyhousesherenow.beforenowItwasaneggbefore.Nowitisachick.