Demonstrate
How the verb tenses are employed
in sentences with general verbs?
Uncertain present condition
(與現在事實不確定)
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If the lawyer has enough evidence, he can prove the
convict is innocent.
如果律師有足夠的證據,他可以證明犯人是無辜的。
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Uncertain future condition
(與未來事實不確定)
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If the lawyer has enough evidence, he will
prove the convict is innocent.
如果律師有足夠的證據,他將可以證明犯人是無辜的。
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Contrast to present condition
(與現在事實相反)
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If the lawyer had enough evidence, he could
prove the convict is innocent.
如果律師有足夠的證據,他就可以證明犯人是無辜的。
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Contrast to past condition
(與過去事實相反)
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If the lawyer had had enough evidence, he could have
proved the convict is innocent.
如果律師有足夠的證據,他就可以證明犯人是無辜的。
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How the verb
tenses are employed in sentences with verb
be?
Uncertain present condition
(與現在事實不確定)
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If the lawyer is here, he can prove that the witness lies.
如果律師在這裡,他可以證明犯人在說謊。
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Uncertain future condition
(與未來事實不確定)
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If the witness lies, the lawyer will prove it.
如果證人說謊,律師將會證明。
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Contrast to present condition
(與現在事實相反)
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If the witness were alive,
the lawyer could prove that defendant is guiltless.
如果證人還活著,律師會證明被告是無罪的。
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Contrast to past condition
(與過去事實相反)
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If the witness had been honest, the lawyer would have
proved that the defendant is not guilty.
如果證人是誠實的,律師會證明被告是無罪的。
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4. How the verb tenses are employed in sentences with wish?
Contrast to present condition
(與現在事實相反)
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The lawyer wishes he could prove that the witness
is lying.
律師希望他能證明證人說謊。
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Contrast to past condition
(與過去事實相反)
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The lawyer wishes he had have proved that
the witness lied.
律師希望他能證明證人說謊。
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