《I_ll help to clean up the city parks》PPT(第3课

put up hand out call up cheer up come up with give out put off
3. Our class is trying to __c_o_m_e__u_p_w__it_h__ some ideas to _c_h_e_e_r__u_p__ sick children because they are often sad.
（2）作结果状语。 例如： He woke up only to find everybody gone. His grandma lived to see the liberation of China. He is old enough、怒、哀、乐等的形容词后作原因状语。 例如：
2．raise v. 募集；征集 例句：They sold something to raise money.他们卖掉一些东西来募集 钱。
例如： I want to tell you a story. They begin to work at eight every morning. Don’t forget to lock the door. Would you like to go and have a picnic with us tomorrow?
作宾语补足语
动词不定式作宾语补足语，表示宾语所做的动作，可以用动词 不定式作宾语补足语的动词有：tell, ask, want, like, invite, encourage, help等。 如：
The teacher asked us to read English for half an hour in the morning. The teacher often tells Jim not to spend too much time playing computer games. Please let me help you.
4b Fill in the blanks with the correct forms of the verbs in the box. help move do make visit spend
Most people today are only worried about getting good jobs _t_o__m_a_k_e__ lots of money. In their free time, they think about what _t_o__d_o__ for fun. However, few people think about what they can do __to__h_e_lp__ others. There are many people who are less lucky than us.
help move do make visit spend
Volunteering our time to help these people is a good way __to__s_p_e_n_d__ our free time. For example, we can make plans __t_o_v_i_s_it__ sick children in the hospital or raise money for homeless people. Some people even stop doing their jobs for a few months to a year __t_o_m__o_v_e__ to another place, like one of the countries in Africa, and help people there.
生成新知
Grammar Focus
She decided to try out for a
I’d like to help homeless people. volunteer after-school reading program.
You could ask hospitals to let you visit the kids and cheer them up.
I’m proud to have taken part in the competitions ...
I’m happy to have found many things I can do.
动词不定式的否定形式：
（1）动词不定式的否定式是直接在to之前加not. 如：Tell them not to play football in the street. （2）省略to的动词不定式的否定式是直接在动 词前面加not. 如：Let the boy not go.
Unit 2 I'll help to clean up the city parks
第3课时
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情景导入
R e v i s i o n complete the sentences
Mario and Mary __g_iv_e__ __u_p_ several hours each week _t_o__ __h_e_lp_ others.Mario wants __to__ __b_e_ an animal doctor.He volunteers at an animal hospital.He wants __to__ _le_a_r_n_ more about how to care for animals. Can you tell something about Mario to us?
动词不定式
动词不定式是一种非谓语动词形式，在句 中不能作谓语，没有人称和数的变化。
基本形式：to＋动词原形，有时to可以省 略；否定形式：not + 动词不定式。
动词不定式具有名词、形容词和副词的特 征，因此可以在句中作主语、宾语、宾语补足 语、定语和状语等。
作宾语
动词不定式（短语）可以放在一些动词后面用作宾语，能以动词不 定式作宾语的动词有：begin, want, remember, agree, learn, like, decide, fail, pretend, demand, refuse等。
4. Summer vacation is coming, and I want _t_o_g_o__to__th__e_b_e_a_c_h_w__it_h__m_y__f_ri_e_n_d_s_______.
5. I want to travel alone, but my parents told me (not)__n_o_t _to__d_o__it_a_l_o_n_e______________.
但在let, make, see, watch, hear, feel, notice, have等感官听觉动词或使 役动词后面作宾语补足语的动词, 其不定式一般要省略动词不定式符 号“to”，可以归纳为以下三种句式： 1.不可以省略to的不定式作宾语补足语:tell /ask / want / would like / wish /suppose / invite /encourage /teach/ depend on等 + sb.+ to do sth. 例如：
4c Complete the sentences with your own ideas. Use infinitives.
1.I’d like to volunteer __a_t_t_h_e_f_o_o_d__b_a_n_k_t_o__h_e_lp__th_e__p_o_o_r_______.
2.At 12:00 a.m., I called my friend _t_o_p__la_y__b_a_sk__et_b_a_l_l_a_t_t_h_e_p_l_a_y_g_r_o_u_n_d________.
3. I’m very busy but I could help _t_o_l_o_o_k_a_f_t_e_r_m__y_l_it_t_le_s_i_s_te_r_.____________.
4. We decided to __p_u_t__u_p__ signs around the school and __h_a_n_d__o_u_t_ notices to tell students about the book sale. We will __g_iv_e__o_u_t_ the money from the sale to homeless people.
3.可省可不省的: help sb. （to）do sth.
例如：
I often help my mother (to) do housework.
作状语
（1）作目的状语。强调动词不定式所表示的目的时，动词 不定式可用in order to或so as to +动词原形，so as to不用于 句首。 例如： He stopped to have a rest. The bus stopped so as to pick up passengers.
The teacher told us to come earlier. Tom invited me to his birthday party. Her parents wish her to be a teacher.
2.省“to”的不定式作宾语补足语：let / make / have + sb. +do sth. 例如： Let the girl leave here now. The boy made the baby cry. see / watch / hear / notice / feel +sb.+do sth. 例如： I saw the students play basketball on the playground yesterday. I often hear the girl sing in the next room.
问题探究
【知识点拨】 1．sick adj.生病的；有病的 例句：The boy felt sick before the test.考试前他生病了。 辨析：sick与ill sick 可作定语修饰名词，而ill只能做表语。 例句：The mother cared for the sick girl day and night.妈妈日夜照料 着生病的女孩。 Jane was ill yesterday，so she didn't go to school.昨天简生病了，所 以她没去上学。
Mario believes it can help him to get his future dream job.
She volunteers there once a I’m making some signs to put up week to help kids learn to read. around the school.
4a Fill in the blanks with phrasal verbs in the box.
put up hand out call up cheer up come up with give out put off 1. I want to _p_u__t _o_ff_ my plan to work in an animal hospital until next summer. I’m too busy with my studies this year. 2. She hopes to _c_a_l_l_u_p__ at least five primary schools to ask if they need volunteers for their after-school 1. programs.