3. It is believed that all the students tried their best.
= All the students are believed to __t_o_h_a_v_e__tr_i_e_d__th_e_i_r_b_e_s_t_._.
Little it
Little it, little it It’s so little Little as it is Everywhere we see it Little as it is We have trouble with it Little as it is We want to know more about it
report; the winter Olympics; Beijing; 2022
It is reported that the winter Olympic Games will be held in Beijing China in 2022.
1. it做代词代替刚提到过的一件事或 物，或身份不明的人或婴儿。
Approaching it
I saw a bird landing on the window It was our little lovely sparrow I saw a baby crying in the shadow It was our fat hungry Tudow I saw a person jumping on the pillow It was our big naughty fellow
3. People believe that regular exercise is of great benefit to health. It _i_s _b_e_li_e_v_e_d_t_h_a_t_r_e_g_u_l_a_r_e_x_e_r_c_is_e_i_s_o_f_g_r_e.at benefit …
▪ Who’s it? ___It_’s_____me. ▪ Look at the picture. _I_t___is a picture of our
baby.
Getting close to it
__It_’_s_h_a_r_m__fu_l__ to get addicted to smoking. _I_t_’s__n_o_g_o_o_d__ getting into the habit of smoking.
2. it做形式主语。
1) It is +adj/n+ to do / that 2) It is no good/ use doing sth 3) It is a waste of time doing sth 4) It is said/believed/reported/…that…
有人说/相信……；据说/据报道…… 5) It happened that….碰巧
1.The news has reached every part of the world. Someone says that. It _i_s_s_a_id__t_h_a_t_t_h_e_n_e_w__s_h_a_s_r_e_a_c_h_e_d__…_.
2. According to a report, the government has banned the use of chemical weapons. It _i_s _r_e_p_o_r_te_d__th_a_t__th_e__g_o_v_e_r_n_m_e_n_t_h__a_s___ ___b_a_n_n_e_d__th_e__u_s_e_o_f_c_h_e_m__ic_a_l_w__e_a_p_o_n_s_. __.
My father is so stubborn that _I_t_’s_n__o_u_s_e_a_r_g_u_i_n_g_w__it_h__h_im_ (与他争论毫无用处).
He has no knowledge of computer. _I_t_is__a_w__a_st_e_o_f__m_o_n_e_y__ buying him a computer as a gift.
weather, season, distance
1. It指代上文刚刚提到过的一件事或物， 也可指代身份不明的人或婴儿。
Time to practise!
▪ It_’_s_f_re_e_z_i_n_g_c_o_l_d__.(天气冰冷刺骨) Hope it will be warmer soon.
▪ _I_t’_s_a__f_i_v_e-_m__in_u__te__w_a_l_k____________ (五分 钟的路程) from my home to school.
▪ _I_t’_s_a__b_e_a_u_t_if_u_l_d_a_y___ (天气很好). Shall we go for a walk?
It can refer to anything, including __a__b_ab_y__o_r_a_n_u_n_k_n_o_w__n_p_e_r_so_n__.
I saw flowers dancing in the air It was a heavy snow I saw leaves covering your hair It was autumn you know I saw people rushing to the fair(集市) It was twenty storeys below
1.It is saer.
= Tom _i_s_ _s_a_id__ t_o_ _b_e_ a faithful worker.
2. It is reported that the murderer has been arrested.
= The murderer is reportedt_o_h__a_v_e_b_e_e_n__a_rr_e_s_t_e_d.