高中二年级英语选修6第三课时课件

clear, easy, true, difficult, certain, etc. fun, a pity, a shame, no use / good, etc. said, believed, decided, hoped, etc.
遵循英语语言
的尾重原则, 1. It’s difficult to give避u免p s句mo子ki头ng重. 2. It is fun for him to脚stu轻d。y. 3. It is suggested that we (should) arrive
3. Most people believe smoking causes cancer. It is believed _th_a_t__sm__o_k_i_n_g_c_a_u_s_e_s_c_a_n_c_e_r_. _
4. Don’t try to quit on a stressful day. It is no use _tr_y_i_n_g_t_o_q__u_it_o_n__a_s_t_r_e_ss_f_u_l_d_a_y_.
2. Some young people think they look attractive when they smoke. It seems _th_a_t__so_m__e_y_o_u_n__g_p_e_o_p_l_e_t_h_in__k _th_e_y__lo_o_k__a_tt_r_a_c_t_iv_e__w_h_e_n__th_e_y__s_m_o_k_e_._
6. You are not allowed to advertise cigarettes in this country. It is illegal _to__a_d_v_e_r_ti_s_e_c_ig_a__re_t_t_es__in__t_h_is__ _co_u_n__tr_y_._
In this sentence, what does “it” refer
there in 2 hours.
2. … + verb + it + adj./ n. + infinite/
clause/ -ing form
formal object
real object
find, think, feel, believe, consider, make, etc.
1. Giving up smoking is difficult to do. It is _d_if_f_ic_u_l_t_t_o_g_i_v_e_u_p__s_m_o_k_Fra bibliotek_n_g_.__
1. It is never too old to learn. 2. It rains cats and dogs. 3. It never rains but it pours. 4. It is a poor mouse that has only one hole.
1. It is amazing that at my age I am still fit. 2. It is easier to fall than to rise. 3. It is no good crying over spilt milk.
exercise.
a clause
5. He found it difficult to accustom himself
to getting up early.
an infinitive
The object
position
1. It is amazing that at my age I am still fit.
2. It is easier to fall than to rise. 3. It is no g“oIot”d ccarnyibneg uosveedr isnpitlht emilk.
4. I thinksuitbbjeecstt tohraotbyjoeuctshpoousiltdiodno more
Th“eIts”ucbajnecbte used in the supbojescittipoonsition to stand for
_a_c_l_a_u_se_, _a_n__in_f_in__it_iv_e_ or _-i_n_g__fo_r_m__.
4. I think it best that you should do more
part in our party. 6. It is suggested that we (should) arrive
there in 2 hours.
1. It + is + adj./ n./ p.p. + infinite/ clause/
-ing form
real subject
formal subject
exercise.to stand for _a_c_l_a_u_s_e_, 5. He fou_an_n_d_iin_tf_di_nif_ift_icv_ue_ltorto_-a_icn_c_gu_fs_ot_or_m_.himself
to getting up early.
1. It’s difficult to give up smoking. 2. Is it certain that they will win? 3. It is good learning without practice. 4. It is fun for him to study. 5. It’s a pity that our teacher can’t take
5. China produces one third of the world’s cigarettes. It is astonishing _th_a_t__C_h_i_n_a_p_r_o_d_u__ce_s____ o_n_e_-_th__ir_d__o_f _th__e_w_o_r_l_d_’_s _c_ig_a_r_e_t_te_s_.__