Giáo án Tự chọn Tiếng Anh 9 - Period 14: Infinitive (Động từ nguyên thể) - Năm học 2023-2024

 Date of planning: 30/11/2023 
 Date of teaching: ../ ./2023 
 Period 14 
 Infinitive (Động từ nguyên thể) 
I. The aims and requests. 
1. The aims: - Help Ss to revise Infinitive (Động từ nguyên thể) 
 - Improve Ss’ language skill 
2. The requests: - By the end of lesson, Ss will be able to use all the target languages 
they have learnt 
correctly and do exercises about them. 
II. The Content: 
1/ Form : TO + V(inf) 
to work, to play.... 
2/ Một số mẫu câu sử dụng với động từ nguyên thể 
1/ It + to be + adj + to do sth 
It is dangerous to go out alone at night.( Thật là nguy hiểm khi đi ra ngoài một mình 
vào ban đêm) 
2/ It + to be + adj + for sb + to do sth 
It is necessary for you to learn English. ( Cậu cần phải học tiếng Anh) 
3/ It + to be + adj + of sb + to do sth 
It is very kind of you to help me. ( Cậu thật tốt bụng khi giúp tôi) 
It was very careless of you to leave the door open last night. ( Cậu thật cẩu thả khi để 
cửa mở tối qua) 
4/ S + to be + too (quá) + adj + to do sth 
- You are too young to get married. (Cậu còn quá trẻ để lập gia đình) 
5/ S + to be + too + adj + for sb + to do 
- The bag is too heavy for me to carry. (Cái túi quá nặng để tôi mang) 
6/ S + to be + adj + enough + to do sth 
I'm not strong enough to carry this case. (Tôi không đủ khỏe để mang cái va li này) 
7/ S + to be + adj + enough + for sb +to do 
- The bag isn't light enough for me to carry. 
8/ S +V + too + adv + for sb + to do 
- The cat ran too fast for the dog to catch. 
9/ S + V + adv + enough + for sb + to do - He doesn't speak slowly enough for us to understand. (Ông ấy không nói chậm để 
chúng tôi hiểu) 
10/ S + to be + the first / second... to do sth 
- He was the first person to leave the party.( Anh ta là ng ời đầu tiên rời bữa tiệc) 
= He was the first person who left the party. 
Exercise I : Dùng từ gợi ý để viết thành câu hoàn chỉnh 
1/ It / interesting / have a talk / him. 
2/ It / unhealthy / live / this / house. 
3/ It / boring / stay / home / Saturday. 
4/ It / difficult / speak English well. 
5/ It / wonderful / have / holiday / Paris. 
Exercise II : Viết lại các câu sau, giữ nguyên nghĩa 
1/ The man spoke too fast for us to understand. 
 The man didn't ............... 
2/ She is very old so she can't dance beautifully. 
 She is too ..................... 
3/ Your writing is so small that I can't read it. 
 Your writing ............. 
4/ To learn English is easy. 
 It is ......................................................... 
5 / They think speaking French is difficult. 
 They think ..................... 
11/ Những động từ theo sau là động từ nguyên thể- 
 - agree đồng ý - try cố gắng 
 - arrange sắp xếp - decide quyết định 
 - fail thất bại - offer đề nghị 
 - plan lập kế hoạch - want 
 - manage xoay sở - seem có vẻ, d ờng nh 
 - refuse từ chối - promise hứa 
 - remember nhớ phải làm gì - expect mong chờ 
 - hope hy vọng 
 - need cần 
 Eg : - She agreed to marry that old man. 
12/ Những động từ theo sau là tân ngữ và động từ nguyên thể 
 - advise sb to do sth khuyên - encourage khuyến khích 
 - allow cho phép- permit cho phép- remind nhắc- warn sb not to do sth 
 cảnh báo ai đừng làm gì- tell sb to do / not to do sth bảo ai làm gì / không làm 
 gì - order ra lệnh- persuade thuyết phục- invite mời- want - force ắt buộc- 
 ask yêu cầu – help 
 Eg : - The doctor advised me to do morning exercise. 14/ Những động từ theo sau là tân ngữ và động từ nguyên thể không "to" 
 - make sb do sth ( Bắt ai làm gì )- let sb do sth- hear sb do sth- watch sb do sth 
 - see sb do sth- have sb do sth = get sb to do sth (nhờ ai làm gì) 
 Eg : - Our father made us work hard. 
 III, COSOLIDATION 
IV, HOMEWORK 
 Exercise 1 : Rewrite the following sentences 
1/ "You'd better do morning exercise, Minh", said I. 
 I advised .................................................................................... 
2/ "I won't lend you any more money !", she said to me. 
 She refused............................................................................. 
3/ "Don't hurry !", my mother said to me. 
 My mother told........................................................................... 
4/ "I think you'd better not go to work for a few days, Cathy". 
 I advised .......................................................................................... 
5/ Finding a good job nowadays is difficult. 
 It's ............................................................................... 
6/ Lying in the sun is pleasant. 
 It's .................................................................................. 
7/ "Please don't tell anyone what happened.", Ann said to me. 
 Ann told me ................................................................ 
8/ "You'd better not lend her any money, John", said Jack. 
 Jack advised ............................................................................