2.3.1 Word Classes: Main verbs (tense and aspect) and auxiliary verbs

• recognise primary and modal auxiliary verbs in a text
• apply knowledge of primary auxiliaries (in Yes-No questions and negative sentences) for communication efficacy
• use modal auxiliaries to express ability and possibility in oral and written texts
• demonstrate knowledge of tense and aspect by constructing well-formed sentences
• appreciate the role of verbs and adverbs in communication

“How can we tell if something was happening, has happened, or is still happening?”

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1. Primary and modal auxiliary verbs
   40 min · 1 practice tasks · quiz
   Recognise primary and modal auxiliary verbs in a text.
2. Yes-No questions and negatives with primary auxiliaries
   40 min · 1 practice tasks · quiz
   Apply primary auxiliaries in Yes-No questions and negative sentences.
3. Modal auxiliaries: ability and possibility
   40 min · 1 practice tasks · quiz
   Use modal auxiliaries to express ability and possibility.
4. Tense and aspect
   40 min · 1 practice tasks · quiz
   Demonstrate knowledge of tense and aspect by constructing well-formed sentences and answer the key inquiry.