祈使语气 （ imperative mood ）
表示说话人的建议、请求、邀请和命令等。
Open the door, please. Never be late again!
虚拟语气（ subjunctive mood ）
表示动作或状态不是客观存在的事实，而是说话人的主观愿望、假设或推测等。
If I were you, I would not leave her alone. If I were a bird，I would be able to fly in the air. I wish I could pass the examination. Our teacher suggested that we (should) go to the library this afternoon. May you succeed!
M6 U3
Grammar and usage
Subjunctive Mood in if-clause
Lead-in If I were a boy 如果我是个男生
Let's listen : enjoy a song
If I were a boy
If I __w__e_re___ a boy I ___w_o_u_ld__ro_l_l ___ out of bed in the morning And chase after girls I __w_o_u_l_d_k_ic_k___it with who I wanted And Iw_o_u_l_d_n_e_v_e_r_g_e_t_confronted for it
B.非真实条件句:表示假设或实际可能性不大的甚至完全不可能 发生的情况，故采用虚拟语气。
If I were you，I would go at once.(我不可能是你。非真实) If there were no air，people would die.(不可能没有空气。非真 实)
Guidance & Exploration
Self-study
What kind of situations are following sen
Unreal situations
Did you meet me three years ago?
Am I your Chinese teacher now?
应用：
条件状语从句 目的状语从句
宾语从句 固定句型
A.真实条件句:表示条件是真的或有可能实现的, 采用陈述语气。
If he doesn't hurry up，he will miss the bus.( 真实) If he is free，he will ask me to tell stories.( 真实)
No
Guidance & Exploration
一：语气的定义和种类：
语气(Mood)：动词的一种形式，表示说话人对某一行为或事情的看法和态度。
陈述语气（ indicative mood ）
表示动作或状态是现实的、确定的或符合事实的，用于陈述句、疑问句或感叹句。 Iraq is an Asian country. What a fine day it is!
If I __w_e_r_e___ a boy I think that I c_o_u_l_d_u_n_d_e_r_s_ta_n_d__ how it feels to love a girl I swear I _w__o_u_ld__b_e___ a better man I _w_o_u_ld__li_s_te_n__to her
二：非真实条件句 Unreal conditionals
Activity one 1.Three forms of if clauses for unreal conditionals
Activity two 2.Ellipsis of if for unreal conditionals -inverted sentence
Guidance & Exploration Activity one
1.Three forms: Find out the rules
1). state an imaginary present condition If he was good at English, I would be happy now. If I were you, I would study much harder. If I lived on the moon, I might see the beauty—Chang’e.
Learning aims:
1.Know the definition and kinds of mood. 2.Grasp three forms of if-clauses for unreal conditionals. 3.learn to identify an unreal conditional in a sentence 4. learn when and how to use the unreal conditionals
Conclusion If … were/did … ,
… should/would/could/might do …
Practice:
1.如果我是你，我可能会告诉他真相。 If I ____ you, I _______________him the truth. 2.If my brother _____ here, everything ______ all right. 3. If I ______(have) a lot of money, I ___________ (buy) a ticket. 4.If I ________(work) hard, I __________ (have) money. 5.If I ______ one of them, I ________ (cheat) in the exam.