Deduction & Speculation exercises — Set 1: Must & Can't: Present Deduction Exercises (Typing Practice)
Typing Practice • 20 questions • 12 min
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Sarah has been studying all day without a break. She very tired.
can't be
must be
should be
has to be
Deduction & Speculation exercises online (Typing Practice)
Practise using must and can't to make strong deductions about the present. Learn to draw logical conclusions from evidence — use must when you are almost certain something is true, and can't when you are almost certain something is NOT true. Also learn to tell the difference between must for deduction and must for obligation.