例子在时间、条件状语从句中表示将来的动作WhenhegetstoEurope,hewillemailmeIfitdoesn’traintomorrow,we’llgototheSummerPalace(颐和园)1.AllthestudentsinClass5willclimbthemountainifit_____raintomorrow.A.won’tB.don’tC.didn’tD.doesn’t考察if引导的条件状语从句的时态。如果条件状语从句的主句是一般将来时,从句要用一般现在时代替一般将来时。2.IamsorrythatjohnisoutPleaseaskhimtocallmeassoonashe__B__A.returnB.returnsC.willreturn解析:assoonas一....就....,引导时间状语从句。