【正文】
is are) (動詞 +ing) 單數(shù) 復(fù)數(shù) 第一人稱 I am walking. We are walking. 第二人稱 You are walking. You are walking. 第三人稱 He is walking. They are walking. She is walking. It is walking. +ing cookcooking dodoing drawdrawing readreading answeranswering listenlistening washwashing cleancleaning flyflying walkwalking jumpjumping sleepsleeping climbclimbing fightfighting swingswinging drinkdrinking catchcatching pickpicking watchwatching playplaying countcounting collectcollecting 去 e+ing writewriting taketaking havehaving dancedancing eing 雙寫單詞最后一個輔音字母 +ing runrunning swimswimming 一般過去時:表示過去的動作或狀態(tài),常有明確的時間狀語。 一般現(xiàn)在時常以動詞原形表示, 但當(dāng)主語是第三人稱單數(shù)時( he she it) ,應(yīng)用動詞的單數(shù)第三人稱形式。 構(gòu)成: be going to +動詞原形