Level 3Psychologygrammar

Stative vs Dynamic Verbs — The Stranger You Can Trust

Grammar: Present Perfect

Free ESL grammar exercise on stative vs dynamic verbs themed around the stranger you can trust. Printable worksheet from EnglishPlans.com.

What's on this worksheet

A Level 3 (intermediate) ESL grammar exercise on psychology, practising present perfect. The worksheet has a short reading excerpt, a grammar reference and graded practice items.

From the reading

Scientists have been studying this behaviour for years, and their findings are surprising. Evolutionary biologists say humans have been building this instinct for at least 10,000 years. Societies where strangers cooperated survived longer — trust was not a luxury.

Grammar: Present Perfect

Dynamic verbs ✓
Scientists have been studying trust for decades. — ongoing action, use continuous
Common stative verbs
know · love · belong · believe · own · understand · seem — never use been + -ing with these

Sample items

  1. How long ______ you... (work) in civic education?
  2. She ______ (know) her neighbour since they were children.
  3. The researchers ______ (try) to measure reciprocity for three years.

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