I am eating fried chicken in People's Square.

現在進行時的構成

be + 動詞的現在分詞

現在分詞的變形

• 動詞直接加ing
eat -> eating,study -> studying
eg：She is eating food.
• 去e,加ing
dance -> dancing,like -> liking,write -> writing ...
  eg：She is writing her homework.
• 雙寫最后一個字母,再加ing
run -> running,cut -> cutting,swim -> swimming
• 不規(guī)則變化
  lie -> lying,die -> dying

現在進行時用法

• 說話時正在進行的動作
  now,at the moment等這些表示時間的狀語作標志
  look,listen,can't you see等這樣的暗示語
  eg：I am preparing for my class now.
eg：Listen,She is singing an Englist song.
• 表示現階段正在進行的動作
  常與these days,this week,this month,this term等這些表示一段時間的詞語連用
  eg：These days we are helping the farmers work on the farm.
eg：Mr Jason is visiting our village this month.
• 與表現變化的動詞一起用,強調逐漸變化
  eg：The sky is getting dark.
eg：My dream is coming true.
• 表示即將發(fā)生的事情
  eg：When are you leaving for America?
• 與always,forever,continually,constantly等副詞連用時表示重復的動作,有著極大的感情色彩,表示不滿意或滿意
  eg：The students are making progress constantly.
eg：My little brothers are always fighting.

【表示可變化的動詞】
arrive,come,do,get,go,have,leave,meet,play,return ...