TENSE

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TENSE
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What is a tense?

• Definition
• A tense is a grammatical category to the time of
  situation. English has two tense categories
  indicated by the form of the verb Present and
  Past.
• The tense distinction is made on the first or
  only verb in the verb phrase.

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What is an aspect?

• Definition
• An aspect is a grammatical category refering to
  the way that the time is viewed by the speaker or
  writer.
• English has two aspects Perfect and Progressive.
• Aspect is indicated by a combination of an
  auxiliary verb and a following verb.

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• NOTE
• The perfect aspect requires the perfect auxiliary
  ( have, has ) and followed ed-participle.
• The progressive aspect requires the progressive
  auxiliary ( be ) and a followed by ing-participle.

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What is a present participle?

• Definition
• A present participle is a kind of verb that ends
  in ing form and functions as verb and as
  attributive verb.

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HOW TO USE PRESENT PARTICIPLE

• 1) The present participle is used to form the
  progressive aspect or present action.
• Susanna is learning English at CUE now.
• 2) The present participle is used as adjective to
  modify noun.
• The watering can that is used by Obama is mine.

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• 3) The present participle is used to modify a
  verb or sentence.
• Broadly speaking, the project was succesful.

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What is a past participle?

• Definition
• A past participle is a kind of verb that is
  finished by ( ed ) or changed to the other form
  that depends on verbs.

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HOW TO USE PAST PARTICIPLE

• 1) The past participle is used to form the
  perfect aspect.
• He has studied English since he was 12.
• 2) The past participle is used to form passive.
• The chicken was eaten.

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• 3) The past participle is used to modify a noun,
  active sense.
• Our fallen comrades.
• 4) The past participle is used to modify a noun,
  passive sense.
• The attached files

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• 5) The past participle is used to modify a verb
  or sentence.
• Seen from this perspective, the problem
  presents no easy solution.
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