练一练 1) Becky has been (has been, has become) a doctor for ten years. She likes her job very much. 2) We are late. The movie has been on (has started, has been on) for ten minutes. 3) Ken, you should return the book to the library. You __h_a_v_e_k_e_p_t_____ (have borrowed, have kept) it for more than two weeks. 4) I have had (have bought, have had) this bike since I was ten,
➢ 他入团两年了。 ( × ) He has joined the League for two years. ( √ ) He has been a League member for two years. ➢ 这块手表我买了两年了。 ( × ) I have bought this watch for two years. ( √ ) I have had this watch for two years.
be away (from)
非延续性动词(词组) open close lose die join begin/start come/go turn on/off
延续性动词(词组) be open be closed be lost be dead be a member of / be in be on be here/there be on/off