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並前往https://www.collin.edu/studentresources/writingcenter/CURRENT-English%20Verb%20Tenses.pdf

English Verb Tenses - Collin College

is constructed using am/is/are + present tense verb + -ing. ... When combined with a main action verb, these helping verbs can manipulate its tense. They.

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查詢 「Help verb ing」的人也找了：

  1. help + verb or verb ing
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  2. Help to or -ing
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  3. Help verb
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  4. help + ing or infinitive
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  5. Expect to or -ing
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  6. Stop ing or to
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  7. Make to or ing
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  8. Agree to or ing
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