四．宣布（Announcing）
20 Let's start working．/ Let's begin / start a （our）new lesson． 21 First, let's review / do some revision． 22 What did we learn in the last lesson?
23 Who can tell / remember what we did in the last lesson / yesterday?
24 Now we're going to do something new / different． / Now let's learn something new． 25 We have some new words / sentences． 五．提起注意（Directing attention） 26 Ready / Are you ready?
27 Did you get there? / Do you understand? 28 Is that clear? 29 Any volunteers? 30 Do you know what to do? 31 Be quiet, please．/ Quiet, please． 32 Listen, please． 33 Listen carefully, please．
34 Listen to the tape recorder / the recording． 35 Look carefully, please． 36 Look over here． 37 Watch carefully． 38 Are you watching?
39 Please look at the blackboard / picture / map .... 40 Pay attention to your spelling / pronunciation． 六．课堂活动（Classroom activities） 41 Start! / Start now．
42 Everybody together． / All together． 43 Practise in a group / in groups, please．
44 Get into groups of three / four.... 45 Everybody find a partner / friend． 46 In pairs, please．
47 One at a time． / Let's do it one by one．
48 Now you, please． / Your turn （student's name）． 49 Next, please．Now you do the same, please． 50 Let's act． / Let's act out / do the dialogue． 51 Who wants to be A?
52 Practise the dialogue, please．
53 Now Tom will be A, and the other half will be B． 54 Please take （play）the part of .... 55 Whose turn is it? 56 It's your turn． 57 Wait your turn, please． 58 Stand in line． / Line up． 59 Turn round．
60 One by one． / One at a time, please． 61 In twos． / In pairs． 62 Don't speak out． 七．请求（Requests）
63 Could you please try it again? 64 Could you please try the next one? 65 Will you please help me? 八．鼓励（Encouraging） 66 Can you try, please? 67 Try, please．
68 Please try your best． / Do your best．
69 Think it over and try again． 70 Don't be afraid / shy． 九．指令（Issuing a command） 71 Say / Read after me, please． 72 Follow me, please． 73 Do what I do．
74 Repeat, please．/ Repeat after me．
75 Once more, please．/ One more time, please． 76 Come here, please．
77 Please come to the front．/ Come up and write on the blackboard / chalkboard． 78 Come and write it on the blackboard． 79 Please go back to your seat．
80 Put up your hands, please．/ Raise your hands, please． 81 Put down your hands, please．/ Hands down, please． 82 Say it / Write it in Chinese / English． 83 In English, please． 84 Please take out your books．
85 Please open your books at page ... / Find page ... / Turn to page ... 86 Close / Shut your books, please．
87 Please answer the （my）question（s）．
88 Please read this letter / word / sentence out loud． / Please read out this letter / word / sentence．
89 Please stop now．/ Stop now, please．/ Stop here, please． 90 Clean up your desk / the classroom, please．
91 It's clean-up time．/ Tidy up your desk / the classroom．
92 Put your things away．/ Clean off your desk．/ Pick up the scraps． 93 Clean the blackboard．
94 Plug in the tape-recorder, please． 95 Put the tape-recorder away． 96 Put the tape in its box / cassette． 97 Listen and repeat． 98 Look and listen． 99 Repeat after me． 100 Follow the words．
101 Fast．/ Quickly! / Be quick, please． 102 Hurry! / Hurry up, please． 103 Slow down, please． 104 Slowly．
105 Bring me some chalk, please．
十．禁止和警告（Prohibition and warning） 103 Stop talking．/ Stop talking now, please． 104 Don't talk．/ Everybody quiet, please． 105 Don't be silly． 106 Settle down． 十一．评价（Evaluating） 107 Good．Thank you．
108 Good! / Very good! / Good job． / Good work． / Good example． 109 A good answer． / Nice work．
110 Excellent! / Great! / Well done / very good． / I like the way you... 111 That's interesting!
112 Don't worry about it． / No problem． 113 OK! / That's OK． 114 I don't think so．
115 That's not quite right, any other answers? / That's close．/ That's almost right．