時制問題（401〜425）

No.	問題	選択肢	答えと解説
401	She ___ in Japan since 2010.	A. lives B. lived C. has lived D. had lived	解答と解説答え：C. has lived 「since 2010」→ 現在完了。
402	By the time we got there, the train ___.	A. left B. has left C. had left D. was leaving	解答と解説答え：C. had left 到着した時には出発済 → 過去完了。
403	I ___ my keys! I can’t find them anywhere.	A. lost B. have lost C. had lost D. lose	解答と解説答え：B. have lost 現在の結果 → 現在完了。
404	He ___ for an hour when the alarm finally rang.	A. sleeps B. was sleeping C. had been sleeping D. has slept	解答と解説答え：C. had been sleeping ある時間ずっと続いていた → 過去完了進行形。
405	They ___ the room before the guests arrived.	A. clean B. cleaned C. have cleaned D. had cleaned	解答と解説答え：D. had cleaned 到着前に済んでいた → 過去完了。
406	We ___ dinner when he knocked on the door.	A. had B. were having C. have D. have had	解答と解説答え：B. were having 動作中 → 過去進行形。
407	He ___ me about the meeting yesterday.	A. tells B. told C. has told D. was telling	解答と解説答え：B. told 昨日の話 → 過去形。
408	I ___ to the new song five times today.	A. listen B. listened C. have listened D. had listened	解答と解説答え：C. have listened 「today」→ 現在完了で経験表現。
409	They ___ in the park when it started raining.	A. walk B. have walked C. had walked D. were walking	解答と解説答え：D. were walking 進行中の動作 → 過去進行形。
410	She ___ from her illness by next week.	A. recovers B. will have recovered C. has recovered D. is recovering	解答と解説答え：B. will have recovered 未来完了「〜までに回復している」。
411	By the end of this year, I ___ here for ten years.	A. will be B. will have been C. was D. have been	解答と解説答え：B. will have been 未来時点での完了 → 未来完了。
412	I ___ to New York three times.	A. go B. went C. have gone D. had gone	解答と解説答え：C. have gone 経験 → 現在完了。
413	She ___ her book when I entered the room.	A. reads B. read C. was reading D. had read	解答と解説答え：C. was reading 途中の行為 → 過去進行形。
414	They ___ the job before the deadline.	A. finish B. have finished C. finished D. had finished	解答と解説答え：D. had finished 締切前に完了 → 過去完了。
415	He ___ to sleep when he heard the noise.	A. goes B. is going C. had gone D. was going	解答と解説答え：D. was going 途中で中断された行為 → 過去進行形。
416	I ___ this book last year.	A. read B. have read C. had read D. was reading	解答と解説答え：A. read 過去の一回の行為 → 過去形（read は過去も "read"）。
417	We ___ waiting for you for two hours!	A. were B. have been C. had been D. will be	解答と解説答え：B. have been 今も続く行為 → 現在完了進行形。
418	She ___ to the party if she had known about it.	A. goes B. would go C. would have gone D. had gone	解答と解説答え：C. would have gone 仮定法過去完了の文。
419	I ___ my wallet somewhere yesterday.	A. dropped B. have dropped C. had dropped D. drop	解答と解説答え：A. dropped 「yesterday」→ 過去形。
420	They ___ dinner when I arrived.	A. finished B. were finishing C. had finished D. have finished	解答と解説答え：C. had finished すでに終えていた → 過去完了。
421	He ___ to the dentist recently.	A. goes B. has gone C. went D. had gone	解答と解説答え：B. has gone 「recently」は現在完了とよく使われる。
422	She ___ while I was cooking.	A. arrives B. arrived C. had arrived D. has arrived	解答と解説答え：B. arrived シンプルな過去の出来事 → 過去形。
423	By next year, I ___ my thesis.	A. finish B. will finish C. will have finished D. finished	解答と解説答え：C. will have finished 未来完了 → 〜までには。
424	We ___ him since last summer.	A. haven’t seen B. didn’t see C. hadn’t seen D. don’t see	解答と解説答え：A. haven’t seen 「since」→ 現在完了。
425	I ___ to call you back, but I forgot.	A. am going B. go C. was going D. had gone	解答と解説答え：C. was going 「〜するつもりだった」→ 過去進行形。