--- title: "Choose best words (grammar) 2071 Shrawan" subject: "Communication English" chapter: 3 key: "semester_5/communication_english:choose-best-words-grammar-set-2071s" source: https://www.bctengineer.com/q/semester_5/communication_english/choose-best-words-grammar-set-2071s site: BCT Engineering --- # Choose best words (grammar) 2071 Shrawan Communication English · Chapter 3: Contextual Grammar - Asked in: 2071 Shrawan, 0.5×10 marks - Answer checked by Claude Opus 5.5 (high effort) on 2026-10-14 - Page: https://www.bctengineer.com/q/semester_5/communication_english/choose-best-words-grammar-set-2071s - Whole chapter: https://www.bctengineer.com/md/semester_5/communication_english/chapter-3 ## Question Choose the best words to complete the following sentences. a) He knew that he had a toothache while he ........... his teeth. (brushed, was brushing, had brushed) b) People dispersed as soon as they ......... an explosion. (heard, were hearing, had heard) c) You must respect others in order to ........ (respect, be respective, be respected) d) ........... by the police, the suspects put their hands up. (to be warned, as warned, having been warned) e) The minister along with his secretaries............. been invited. (has, have) f) Some furniture ........... needed for the office. (is, are) g) If she ........... in your place, she would resign immediately. (was, had been, were) h) Anything ........... if the neighbors had not been there. (could happen, can happen, could have happened) i) I object ........... your coming late. (to, for, at) j) That woman has to care ........... three children. (to, for, by) ## Short answer a) was brushing, b) heard, c) be respected, d) Having been warned, e) has, f) is, g) were, h) could have happened, i) to, j) for ## Answer a) **was brushing**: the past continuous shows an action in progress when he "knew" (while he was brushing). b) **heard**: the simple past is used for the quick action that follows "as soon as". c) **be respected**: "in order to be respected" is a passive infinitive of purpose (we must respect others to be respected ourselves). d) **Having been warned**: the perfect passive participle shows that the action was completed before the suspects put their hands up. e) **has**: "along with" does not change the number; the subject "minister" is singular. f) **is**: "furniture" is an uncountable, singular noun. g) **were**: an unreal condition with "would resign". h) **could have happened**: third conditional (the "if" clause has "had not been"). i) **to**: one "objects to" something. j) **for**: "care for" means to look after. ## Check yourself The answer's key points as multiple-choice questions, with the correct option and why. 1. In 'He knew that he had a toothache while he ... his teeth', which form is correct and why? A. brushed, a completed action B. was brushing, an action in progress C. had brushed, an earlier action D. were brushing, plural agreement Answer: B. 'While' with an action in progress at that time takes the past continuous: was brushing. (Key point: Past continuous) 2. Which completes 'You must respect others in order to ...'? A. respect B. be respective C. be respected D. have respect Answer: C. The purpose is to receive respect, so the passive 'be respected' is used. (Key point: Passive purpose clause) 3. 'The minister along with his secretaries ... been invited.' Why is 'has' correct? A. 'Along with' does not change the number; 'minister' is singular B. 'Secretaries' is plural so the verb is plural C. Because 'has' is used with any phrase containing 'with' D. Because the sentence is in the past tense Answer: A. Phrases like 'along with' are not part of the subject, so the verb agrees with 'minister'. (Key point: Subject-verb agreement with 'along with') 4. 'Anything ... if the neighbors had not been there.' Which form fits? A. can happen B. could happen C. could have happened D. happens Answer: C. The 'if' clause has 'had not been' (third conditional), so the main clause needs 'could have + past participle'. 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