(14) By the time he retires, Professor Yamada ( teach ) for almost forty years.
was
(6) We (ski ) in Hokkaido about this time tomorrow.
I don
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(7) My sister ( cook ) dinner when I came home.
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(8) When I reached the hall, the concert ( already begin ).
(5) W
(9) I(live) here for five years as of April next year.
(10) I recognized the man at once, becauseI(see) him before.
(11) If I read the novel once more, I ( read ) it three times.
(12) She ( be ) sick in bed since last week.
(13) My sister (live ) in Canada until she was ten.