The Present Tense and the Present Perfect of the Subjunctive with Expressions of Doubt

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The Present Tense and the Present Perfect of the
Subjunctive with Expressions of Doubt

• Page 306 Chapter 7Realidades 3

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Subjunctive with Doubt

• To express doubt, uncertainty, or disbelief about
  actions in the present, you use the present
  subjunctive.
• To express doubt, uncertainty, or disbelief about
  actions in the past, you use the present perfect
  subjunctive.

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Doubt and Uncertainty

• Remember, the present perfect subjunctive is
  formed with the present subjunctive of HABER a
  past participle.
• Dudo que existan los extraterrestres.
• Es posible que Es dudoso que

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Disbelief

• No creo que hayan existido los extraterrestres.
• Es imposible que

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Expressions of Certainty

• Expressions of belief, knowledge or certainty are
  usually followed by the indicative.
• Creo que ésas son ruinas mayas.
• Estoy segura que
• Es evidente que
• Es verdad que
• Sabemos que
• No dudo que