WAEC English 2011 Paper

Concept:Past continuous tense shows an action that was in progress at a specific time in the past.Explanation:The sentence describes an action happening when another action interrupted it.“When we knocked at the door” is in simple past tense.Therefore, the interrupted action must be in past continuous tense.The subject “family” is singular, so we use “was” with the present participle “having”.Thus, the correct phrase is “$was$ $having$”.Answer:B. $was$ $having$The complete sentence: The family $was$ $having$ dinner when we knocked at the door.