the present perfect tense + exercise
... afternoon They haven’t heard anything news from their son Have you ever been to England? The present perfect tense Form: (+) S + have/ has + PP I have lived here for years (-) S + have/ has + not + ... school in Tu Doan - Tom hasn’t visited Mau Son before - How long have you lived here? The present perfect tense in passive voice S S + + have/has + PP have/ has been + PP + + E.g I have prepared ... write => start => read => shop => cry => done written started read shopped cried Examples Which tense is used in the following sentences? He has lost his key I have seen this film several times...
Ngày tải lên: 23/10/2013, 17:11
... 1.3 Present Perfect expresses finished events connected to the present 10 Present Perfect for repeated or habitual actions ……………………… ….11 The application of games in teaching Present Perfect Tense ... ……….6 The Present Perfect tense and its meaning ………………………………….……… 1.2.1 Present Perfect expresses indefinite past actions ………………….…………7 1.2.2 Present Perfect expresses state up to the present …………… ... distinction In fact, tense and aspect can combine in various ways, giving different types, such as: the Present Progressive tense, the Present Perfect tense, the Past Perfect Progressive tense Having...
Ngày tải lên: 28/03/2015, 09:10
Past simple or present perfect tense
... spending Who ……………………… that necklace? a) gave you b) has given you c) gives you c) had given you 10 There …………………… a plane crash near Bristol last night a) was b) had been c) have been d) is Answers ... know what to expect in my new job I spent all my childhood in France Who gave you that necklace? 10 There was a plane crash near Bristol last night Be first to know when grammar rules change! Sign...
Ngày tải lên: 12/07/2015, 20:34
TChon 15 PRESENT PERFECT AND PAST SIMPLE TENSE.doc
... milk He has two modern cars He be rich My eyes are weak I wear glasses Give the correct tenses of the verbs in brackets: I’m sorry you’re leaving I hope you ….…… …………………………… (come) back...
Ngày tải lên: 08/07/2013, 01:27
Tense consolidation - Present perfect
... on duration I've been ironing my shirts this morning Time expressions with present perfect Meaning with present perfect tenses is associated with certain time expressions Contrast with past simple ... Previous unit Back Next Next unit Exercises Advanced Language Practice Contents Present perfect continuous Exit Present perfect continuous (progressive) can refer to a range of meanings, depending ... Language Practice Exit Put each verb in brackets into either the past simple, present perfect simple or present perfect continuous Ever since the day I (1) (decide) to move to London, I (2) (worry)...
Ngày tải lên: 01/11/2013, 17:20
Tài liệu Engineering Mechanics - StaticsChapter 1Problem 1-1 Represent each of the following combinations of units in the correct SI form using an appropriate prefix: (a) m/ms (b) μkm (c) ks/mg (d) km⋅ μN Units Used: μN = 10−6N kmμkm = 109−6Gs = 10 s pptx
... μm⋅ Mg Solution: ( a) Mg 10 kg 10 kg Gg = = = −3 mm m m 10 m Mg Gg = mm m ( b) mN μs mN μs ( c) = 10 −3 10 = N −6 = s 10 N kN = s s kN s ( −6 μm⋅ Mg = 10 )( ) m 10 kg = 10 −3 m⋅ kg μm⋅ Mg = mm⋅ ... 66.73 × 10 − 12 m kg⋅ s nN = 10 −9 N Given: m1 = kg m2 = 12 kg d = 800 mm Solution: F = G m1 m2 d F = 10. 0 nN W1 = m1 g W2 = m2 g W1 W1 = 78.5 N W2 = 118 N = 7.85 × 10 W2 F = 1.18 × 10 F 10 Problem ... s 10 s Mg Gg = ms s N = mm ( b) 1N 10 −3 = 10 3N m m = kN m N kN = mm m mN ( c) kg⋅ μs 10 = mN kg⋅ μs −3 −6 10 = N = kg⋅ s kN kg⋅ s kN kg⋅ s Problem 1-5 Represent each of the following with SI...
Ngày tải lên: 17/02/2014, 14:20
Present perfect and present continuous perfect tense
... Present Perfect Continuous tense of any English verb is formed from the Present Perfect of to be, followed by the present participle of the verb For instance, the Present Perfect Continuous tense ... following example, the verb in the Present Perfect Continuous tense is underlined e.g The bus has been waiting for one hour The use of the Present Perfect Continuous tense in this example indicates ... As is the case with other English tenses, questions and negative statements in the Present Perfect are formed using the auxiliary In the case of the Present Perfect, the auxiliary is have or...
Ngày tải lên: 02/07/2014, 21:00
Focus of present perfect 10 ppsx
... Where have the guerrillas been hiding? I should have said something What should I have said? In the present simple and past simple we use a form of QUESTION WORD AUXILIARY SUBJECT Where How What people ... subject and object (A) People aren't giving you enough information Ask questions with who or what ? ? 10 Something has happened ~ Oh? What has happened? I've invited someone to tea ~ Well? Who have...
Ngày tải lên: 09/08/2014, 07:22
Mechatronic Servo System Control - M. Nakamura S. Goto and N. Kyura Part 10 pot
... −40 −2 10 10 10 Angular frequency [rad/s] (a) Original system Gain [dB] −20 −50 Gain Phase Phase [deg] 0 −40 −2 10 10 10 Angular frequency [rad/s] 10 Gain [dB] 30 20 Gain Phase 10 −2 10 Phase ... −40 100 Gain Phase −60 Phase [deg] 0 −80 −2 10 10 10 Angular frequency [rad/s] Gain [dB] 40 10 Gain Phase −2 10 20 Phase [deg] (b) Modified system 10 10 Angular frequency [rad/s] (c) Modification ... (Performer K10S; The Modified Taught Data Method 0 Gain [dB] −20 −40 100 Gain Phase −60 Phase [deg] 134 −80 −2 10 10 10 Angular frequency [rad/s] (a) Original system Gain [dB] −20 −40 100 Gain...
Ngày tải lên: 10/08/2014, 05:20