時制問題（1〜25）

No.	問題	選択肢	答えと解説
1	She ___ to school every day.	A. go B. goes C. going D. gone	解答と解説答え：B. goes 主語が三人称単数の現在形 → 動詞に -s が必要。
2	I ___ lunch now.	A. have B. having C. am having D. had	解答と解説答え：C. am having 現在進行中の動作 → 現在進行形。
3	We ___ to the park yesterday.	A. go B. gone C. went D. going	解答と解説答え：C. went 過去の出来事 → 過去形。
4	He ___ already finished his homework.	A. has B. have C. is D. was	解答と解説答え：A. has 現在完了 → 主語が三人称単数なので has。
5	They ___ playing soccer when it started to rain.	A. are B. was C. were D. have	解答と解説答え：C. were 過去の進行中の出来事 → 過去進行形。
6	I ___ my key yesterday.	A. lose B. lost C. have lost D. had lost	解答と解説答え：B. lost 過去の出来事 → 過去形。
7	She ___ her bike before dinner.	A. wash B. washed C. was washing D. had washed	解答と解説答え：D. had washed 夕食より前に完了 → 過去完了。
8	We ___ to Paris next week.	A. go B. went C. will go D. goes	解答と解説答え：C. will go 未来の予定 → 未来形。
9	He ___ here since 2020.	A. lives B. lived C. has lived D. is living	解答と解説答え：C. has lived 継続を表す → 現在完了。
10	When I came home, my mother ___ dinner.	A. cooks B. cooked C. was cooking D. had cooked	解答と解説答え：C. was cooking ある過去の時点で進行中 → 過去進行形。
11	She ___ a letter when I entered the room.	A. writes B. was writing C. wrote D. written	解答と解説答え：B. was writing 進行中の行動に割り込む → 過去進行形。
12	I ___ seen that movie before.	A. have B. has C. had D. am	解答と解説答え：A. have 経験を表す現在完了。
13	We ___ dinner by 8 PM.	A. had B. have had C. will have had D. will have	解答と解説答え：C. will have had 未来完了。
14	They ___ a new car last month.	A. bought B. buy C. buys D. buying	解答と解説答え：A. bought 過去の出来事 → 過去形。
15	I ___ here for two hours.	A. waited B. have waited C. wait D. am waiting	解答と解説答え：B. have waited 現在完了 → 継続。
16	She ___ her work by the time I arrived.	A. finished B. was finishing C. had finished D. finishes	解答と解説答え：C. had finished 過去のある時点より前 → 過去完了。
17	My sister ___ her homework now.	A. does B. doing C. is doing D. did	解答と解説答え：C. is doing 現在進行形。
18	They ___ to the zoo tomorrow.	A. goes B. are going C. went D. has gone	解答と解説答え：B. are going 近い未来の予定 → be going to / 現在進行形。
19	We ___ the room when he entered.	A. clean B. were cleaning C. had cleaned D. have cleaned	解答と解説答え：B. were cleaning 途中の動作に割り込む → 過去進行形。
20	She ___ in London before moving to Japan.	A. live B. lives C. had lived D. was living	解答と解説答え：C. had lived 過去より前 → 過去完了。
21	I ___ him since high school.	A. knew B. know C. have known D. had known	解答と解説答え：C. have known 現在完了 → 継続。
22	He ___ at home when I called.	A. is B. was C. will be D. has been	解答と解説答え：B. was 過去の状態 → 過去形。
23	She ___ to the store just now.	A. goes B. has gone C. went D. going	解答と解説答え：C. went 「just now」は過去の明示的表現。
24	We ___ ready when the guests arrived.	A. were B. had been C. are D. was	解答と解説答え：A. were 状態の過去 → 過去形。
25	I ___ this book three times.	A. read B. have read C. had read D. reading	解答と解説答え：B. have read 経験 → 現在完了。