GrammarAmyandherfatherwentonatriptoShanghaiWildAnimalPark.Theysawmanyanimalsandtalkedmuchaboutanimals.bearsquirreldolphinbutterflyWhatproblemsdogiantpandasface?Pandasmaynothaveaplacetoliveorfoodtoeat.Weuse‘may’tosaythatsomethingispossible.Wildanimalsmaybecomedishesonthetableanytime.Theboymaybesurprisedatyourwords.Themonkeymaybecleaninghimself.mayTheelephantisgoingtowardsthewater.It(1)_______________(need)abath.Thelittleboyiscryingbecausehesawthetigers.He(2)______________(be)afraidofthem.Icannotgonearthelionsandtigers.They(3)_____________(hurt)me.Thebabypandaisnotdrinkingitsmum’smilk.It(4)______________(notbe)hungry.Themonkeysarejumpingaround.They(5)______________(beplaying)witheachother.Thehorseisstandingwithitseyesclosed.It(6)_______________(besleeping)Peoplecan’tgiveeverythingtoanimals,becausetheymay…Themonkeyiseatingabanana.Hemay…Thelittlekangaroosarejumpingaround.Theymay…Wecan’tgiveeverythingtoanimals,becausetheymaynotliketoeatthefood.上面例子中行为动词后面的动词都采用了“to+动词原形”的结构，我们把这种结构称为动词不定式（有时可以不带to）。动词不定式没有人称和数的变化，在句中常作谓语动词的宾语。Theelephants_______________(decide,leave)thedrought(干旱的)river.Dad:Doyouknowanythingspecialaboutwildanimals?Amy:Yes,Dad.Forexample,dolphinsareclever.Theycan(1)________________(learn,workout)easymathsproblems.Dad:Whatdoyouknowaboutbats?Amy:Batscan’tsee,buttheycan(2)___________(decide,fly)therightwaywiththehelpoftheirmouthandears.Dad:Didyouknowthatbeesnevergetlost?Amy:Yes.Beesalways(3)_______________________(remember,comeback)thesamewayastheywent.Dad:Whatdoyouknowaboutsquirrels?Amy:Theyalways(4)_______________(begin,save)somefoodbeforewintercomes.Dad:Yes,butsometimestheyforgetwheretofindthefood.Saturday,30OctoberIwentonatriptoShanghaiWildlifePark.Ilearntmuchaboutanimals.Iftwowolvesdon’tagreewitheachother,theystart__________(show)theirteethandgrowl(低吼)ateachother.Someleopards(豹子)choose__________(eat)theirdeadbabiesinsteadofleavingthem,orotheranimalsmay_______(enjoy)thedeadbabies.Goats(山羊)try___________(walk)