1. Listen! Someone _i_s_k_n__o_c_k_i_n_g_ (knock) at the
door.
2. He fell asleep while he w__a_s_r_e_a__d_in__g (read) a
book.
【典例剖析】用所给词的适当形式填空 (2015·北京高考)I______(write)to tell you my exciting plan for the summer holiday.
4
现在完成时表示过去发生的动作对现在产生的 结果和影响或动作从过去开始,一直持续到现在, 可能还会持续。
1.表示动作已经发生或完成(已结束),此时 该动作通常为短暂意义的动词,如open, go, come, die, arrive, leave, lose, fall等。短暂性动作不能与含 有一段时间的完成时连用,因为它们表示的动作不 可能持续。但可与just, already,yet, never, always, often, before等连用或与延续性动词替换;
room.
Two years ago, her parents __m__o_v__e_d_ (move) to China. Jenny _d__id__n_’_t _h_a_v_e_ (not have) any friends, so she ___f_e_l_t_ (feel) lonely. But now, she __h_a_s___ (have) many Chinese friends and _s_tu__d_i_es_ (study) with them
解题关键: 此句是书信的开头语, 强调现在正在写信, 故 用现在进行时。 答案判定: am writing