Your taskFill in the gap in each sentence with the correct word or phrase.did he knowdid they losedid the witness admitdid they realizedid she windid the defendant showdid we suspectdid he apologizedid the company acknowledgedid the visitors imaginedid the prices risedid the negotiators wantdo they realizedoes the speaker suspectdid he miss0 / 15 answeredYour score0 / 150%Keep practising! Focus on the explanations below.1Little that his life was about to change forever. (he / know)Correct answer: did he know▸ Why?Fronted "Little" triggers do-support inversion: "did he know". Statement order ("he knew") ignores the inversion, and the verb stays in base form after "did".2Not only the contract, but they also missed the deadline. (they / lose)Correct answer: did they lose▸ Why?"Not only" fronted forces inversion: "did they lose". The base verb follows "did", so "did they lost" is wrong; the second clause then adds "but ... also".3At no time that the data had been manipulated. (the witness / admit)Correct answer: did the witness admit▸ Why?"At no time" is a negative adverbial that triggers inversion: "did the witness admit". Statement order ("the witness admitted") would be ungrammatical here.4Little how much their support meant to me at the time. (they / realize)Correct answer: did they realize▸ Why?Fronted "Little" triggers inversion: "did they realize". The base verb follows "did"; "did they realized" is a common error.5Not only the championship, but she also set a new world record. (she / win)Correct answer: did she win▸ Why?"Not only" fronted forces inversion: "did she win". The verb stays in base form after "did", so "did she won" is wrong.6At no time during the trial any sign of remorse. (the defendant / show)Correct answer: did the defendant show▸ Why?"At no time" triggers inversion: "did the defendant show". The base verb follows "did"; statement order would break the rule.7Little that we were being followed the whole time. (we / suspect)Correct answer: did we suspect▸ Why?Fronted "Little" triggers inversion: "did we suspect". The verb stays in base form after "did".8Not only for the mistake, but he also offered to pay for the damage. (he / apologize)Correct answer: did he apologize▸ Why?"Not only" fronted forces inversion: "did he apologize". The base verb follows "did"; the second clause adds "but ... also".9At no time that the product might be unsafe. (the company / acknowledge)Correct answer: did the company acknowledge▸ Why?"At no time" triggers inversion: "did the company acknowledge". The base verb follows "did"; statement order would be ungrammatical.10Little that the old house was said to be haunted. (the visitors / imagine)Correct answer: did the visitors imagine▸ Why?Fronted "Little" triggers inversion: "did the visitors imagine". The plural subject still takes "did" + base verb.11Not only sharply, but the quality of service also declined. (the prices / rise)Correct answer: did the prices rise▸ Why?"Not only" fronted forces inversion: "did the prices rise". The base verb follows "did"; "did the prices rose" is wrong.12At no time a complete breakdown of the talks. (the negotiators / want)Correct answer: did the negotiators want▸ Why?"At no time" triggers inversion: "did the negotiators want". The plural subject takes "did" + base verb.13Little how lucky they are to live in such a beautiful place. (they / realize)Correct answer: do they realize▸ Why?The present time frame ("they are ... to live") takes "do", not "did": "do they realize". The base verb follows the auxiliary.14Little that every word is being recorded for the inquiry. (the speaker / suspect)Correct answer: does the speaker suspect▸ Why?The present time frame plus a singular subject takes "does": "does the speaker suspect". Using "do" or "did" would mismatch number or tense.15Not only the deadline, but he also went over the agreed budget. (he / miss)Correct answer: did he miss▸ Why?"Not only" fronted forces inversion: "did he miss". The base verb follows "did"; keeping statement order ("he missed") or writing "did he missed" are the usual errors.Check AnswersPlease answer at least one question first.Found an error in this exercise? Let us know.