[ Verb Tenses ]
Listen! Birds…………………sweetly.
A. sing
B. are singing
C. sings

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Conditional Sentences and AdverbsTenses & AffixesPositive and Negative ConnotationsHow often - long - much - manyModals of Necessity and SuggestionSimiles and Body IdiomsParallel Structure or Combining SentencesThe First Conditional (if/unless)Present Perfect: for/sincePast Perfect Simple TenseOther quiz:
Modal Verbs › ViewLily is preparing for her upcoming exams.
She wonders about the difference in meaning between ‘can’ and ‘could’.
A. ‘Can’ indicates present ability; ‘could’ indicates past ability or hypothetical situations.
B. ‘Can’ is a noun; ‘could’ is a verb.
C. ‘Can’ is used for future ability; ‘could’ is for present ability.
D. ‘Can’ refers to permission; ‘could’ refers to ability.
Knee Anatomy › View
What bone is the knee cap?
A. Tibia
B. Fibula
C. Patella
D. Femur