LESSON 5 時制 (過去完了形 未来完了形)
7 (1) had dropped (2) had changed
(3) had never seen (4) had already started
(5) had been
2 (1) had wanted (2) had been doing
(3) had been (4) had been swimming
3 (1) (It had already gotten dark) by the time Yuka
reached home.
(2) Tom knew the marathon course well because
(he had run it before).
(3) I wonder (how long Chris had been waiting)
here until his friend came.
4 (1) I (had been waiting for my friend for an
hour) when (he showed up).
(2) (The train had just loft) who