本文主要学习英语中的完成时，包括：现在完成时，过去完成时，过去完成进行时。

一、现在完成时（Present Perfect Tense）

    verb to have + past participle

1，There are a prototype, a past tense, and a past participle for every verb

    Prototype        past tense        past participle

      go                    went               gone

      come                came              come

      see                   saw                seen

      do                    did                 done

      get                   got                 got

      have                 had                had

      buy                  bought            bought

      draw                drew               drawn

      leave                left                 left

      write                wrote              written

      run                   ran                 run

      swim                 swam             swum

      eat                   ate                  eaten

      fly                    flew                 flown

      spread              spread             spread

      hit                    hit                   hit

      drink                 drank              drunk

      take                  took                taken

      grow                 grew               grown

      sell                    sold                sold

      ride                   rode                ridden

      steal                 stole                stolen

      break                broke               broken

《专门替中国人写的英语语法》（五）