文法カテゴリー
Tenses
Verb tense forms, meanings and contrasts.
トピック
Past Continuous
Learn how to describe an action in progress at a particular past time. Understand the meaning, follow the form, study clear examples and avoid common mistakes.
トピック
Present Perfect
Learn how to connect past actions and experiences to the present. Understand the meaning, follow the form, study clear examples and avoid common mistakes.
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Mixed Tense Review
Learn how to select tenses accurately by using time, sequence and aspect clues. Understand the meaning, follow the form, study clear examples and avoid common mistakes.