Page 116 - Purple Butterfly Book 2
P. 116

Date:
  unit 7
3. Language
         Perfect Tenses
The present perfect tense is formed with has or have and the past participle of the main verb, it shows that an action began sometime before the present. The action may still be going on.
Examples:
Alice has visited Mrs. Reed three times today.
They have taken flowers to Mrs. Reed this week.
The past perfect tense is formed with had and the past participle of the main
verb, it shows that the action happened before a specific time in the past.
Examples:
Mrs. Reed had bought the box when she got married.
Alice had gone to Mrs. Reed’s house yesterday when her mother arrived from her work.
The future perfect tense is formed with will have and the past participle of the main verb, it shows that the action will have happened before a specific time in the future.
Examples:
By the time Alice arrives to Mrs. Reed’s house, she will have eaten corn. Mrs. Reed will have wrapped the gift before Christmas.
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