〔6〕現在完了形

〔6〕 現在完了形
(1)She has just finished her assignment.　
(2)Have they left the office yet?
(3)She has broken her glasses.
(4)Peter has moved to Paris.
(5)She has visited the museum three times.
(6)I have never eaten such delicious sushi before.
(7)He has worked here for five years.
(8)We have known each other since high school.
(9)Have you ever been to Sapporo?
(10)She has just been to the station.
(11)They have gone to Paris.
(12)It has been two years since our dog died.
(13)My grandmother has been dead for three years.
(14)Four years have passed since my grandfather died.
(15)He left just now.
(16)She called just now.
(17)When did you arrive? I arrived yesterday.
(18)When will the meeting start? The meeting will start at 10 a.m.