should、could用法点拨

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  ☆should“应该”这样学
  should是情态动词,意为“应当;应该”,没有人称和数的变化,后面接动词原形,多用来表示义務、责任或给别人提出建议。例如:
  You should leave here at once.
  You shouldnt shout at others.
  【真题链接】
  1.You look so weak! I think you
   go to see a doctor at once.
  【2018·株洲中考题】
  A.might
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