練習問題1（現在完了形）解答・解説

現在完了形
１
　　(1) clean    cleaned 　     have cleaned  ,  has cleaned
    (2) go     　  went   　      have gone     ,    has gone
    (3) read   　 read   　       have read     ,    has read
    (4) get    　  got      　  　 have got      ,     has got
    (5) come     came     　   have come     ,   has come
    (6) finish   　finished 　　  have finished ,    has finished
    (7) do     　  did      　　   have done     ,    has done
    (8) know     knew    　     have known    ,   has known