have a picnic in the park我还有好多问题呢~反义词 long small short big过去式gomakewentmadeing形式 writeswim writingswimming否定形式 does were doesn'tweren't复数形式 colaorange colasoranges连词成句fatheris day is having a lingling partyhe is walking to the parkit is starting to snowbut the telephone is ringing nowhis dad is playing trumpetthe rea balloonsare flying awaylook at those bananas and peachesit is starting to rianingthe ducks are eating our picnic找错 a -one of theplaying-playcome-is coming in too-intoring-ringing你们是不是在学习现在进行时现在进行时 be+动词ing记得采纳哦！