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past tense and present perfect exercises pdf

EXESRCISES ON PAST SIMPLE OR PRESENT PERFECT

EXESRCISES ON PAST SIMPLE OR PRESENT PERFECT

Tiếng anh

... Positive Sentences in Present Perfect Simple1. Bob / visit / his grandma 2. Jimmy / play / on the computer 1 QuestionsPut the verbs into the correct tense (simple past or present perfect simple).1. ... 10. B: I (be / not) to Australia yet. Simple Past or Present Perfect SimpleExercise 3Put the verbs into the correct tense (simple past or present perfect simple).1. A: (you / be / ever) to ... (can / concentrate / not) on the film. Simple Past or Present Perfect SimpleExercise 8Put the verbs into the correct tense (simple past or present perfect simple).1. I (just / finish) my homework....
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The Simple Past Tense and The Past Continuous Tense

The Simple Past Tense and The Past Continuous Tense

Tiếng anh

... 4. The past continuous tense : ( thì quá khứ tiếp diễn )_ Formation : ( công thức ) S + was / were + V-ingS...
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FOCUS ON - modals and present perfect passive phrasal verbs

FOCUS ON - modals and present perfect passive phrasal verbs

Kỹ năng nói tiếng Anh

... Infinitive present tense -ing form past tense past participle get on get on & gets on getting on got on gottenlgot on 1. get on p.v. When you move your body toward something and stand, sit, ... back to does not vary in form — neither back nor to is optional. Infinitive present tense -ing form past tense past participle dog up clog up & clogs up dogging up clogged up clogged ... communications system might have been knocked out during the attack. Infinitive present tense -ing form past tense past participle look down on look down on & looks down on looking down...
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modals and present perfect phrasal verbs

modals and present perfect phrasal verbs

Ngữ pháp tiếng Anh

... ________ and see if it works now. 43. FOCUS ON: modals and present perfect phrasal verbs Remember that the present perfect is formed with have or the contraction 've and the past participle. ... Anyone could have run up and attacked him. After the explosion, a man covered with blood ran up to me and asked for help. Infinitive present tense -ing form past tense past participle shut ... Infinitive present tense -ing form past tense past participle piss off piss off & pisses off pissing off pissed off pissed off 1. piss off p.v. [informal and offensive to some...
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Tense consolidation - Present perfect

Tense consolidation - Present perfect

TOEFL - IELTS - TOEIC

... unitBack NextPrevious unit Advanced Language PracticeUnit 4 Tense consolidation: present perfect Present perfect simple1 Present perfect simple refers to:Recent events, without a definite ... recently.ExitContents Exercises Next unitBack NextPrevious unit Advanced Language PracticePut each verb in brackets into either the past simple, present perfect simple or present perfect continuous.Ever ... event, or be further away.ExitContents Exercises Next unitBack NextPrevious unit Advanced Language Practice Present perfect continuous1 Present perfect continuous (progressive) can refer...
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present perfect and present perfect continuous

present perfect and present perfect continuous

Ngữ pháp tiếng Anh

... trước đây, hiện tại anh ta không nhất thiết phải đang ở Hà nội) . Present Perfect (Thì Hiện tại hoàn thành) and Present Perfect Continuous(Thì Hiện tại hoàn thành tiếp diễn) ·Dùng với: now ... have written our reports already. Chúng tôi đã viết xong báo cáo Present Perfect Công thức:Subject + have/has + PP(PP: past participle – quá khứ phân từ)trong đó :Have: dùng với các ngôi: ... tuy không đề cặp nhưng có thể hiểu là anh ấy vẫn còn tiếp tục dạy) Các từ hay đi cùng với Present Perfect Since / forAlready / Not yetEver / neverNow that Dùng để chỉ một hành động...
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Đề tài

Đề tài " Classical and modular approaches to exponential Diophantine equations I. Fibonacci and Lucas perfect powers " pdf

Thạc sĩ - Cao học

... and (ii) are treated in Sections 5 and 6, respectively. Sections 7 and 8 are devoted to step (iii). Sections 9 and 10 are concerned with Steps (iv) and (v). Section 11 deals with steps (vi) and ... Classical and modular approaches to exponential Diophantine equations I. Fibonacci and Lucas perfect powers By Yann Bugeaud, Maurice Mignotte, and Samir Siksek* CLASSICAL AND MODULAR ... the perfect powers in the Fibonacci and Lucas sequences naturally reduces to the problem of solving the followingpair of equations:Fn= yp,n≥ 0, and p prime,(5) and Ln= yp,n≥ 0, and...
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Unit 5: Possibility and Probability Perfect Modals pdf

Unit 5: Possibility and Probability Perfect Modals pdf

Kỹ năng nói tiếng Anh

... has a lot of exams coming up soon, and he is also working on a term paper. He must have been studying at the library. Unit 5: Possibility and Probability Perfect ModalsI. Possibility: May, ... room are turned off. She must be sleeping. (right now). Past time:MODAL + have been + v-ingMeaning: in progress at a time in the past. ã Ex1: Sue wasn’t at home last night when we went ...  In negative sentences both must not and don’t have to (also don’t need to and need not) are used. Must not is used when the speaker expects or orders...
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Unit 8. Present perfect (2) pdf

Unit 8. Present perfect (2) pdf

Kỹ năng nói tiếng Anh

... cho cô bạn gái của anh ấy. Đó là lần thứ ba anh ấy gọi điện cho cô ấy chiều nay. Unit 8. Present perfect (2) A Hãy xem mẫu đối thoại dưới đây: Dave: Have you travelled a lot, Jane? Bạn ... chúng ta đề cập tới một khoảng thời gian liên tục từ quá khứ đến hiện tại, chúng ta dùng thì present perfect (have been/ have travelled …) Ở đây Dave và Jane đang nói về những nơi mà Jane đã đến ... hoặc He has never driven a car before. Trước giờ anh ấy chưa bao giờ lái xe. Linda has lost her pastport again. It’s the second time this has happened. (not “happen”) Linda lại làm mất hộ chiếu....
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TChon 15 PRESENT PERFECT AND PAST SIMPLE TENSE.doc

TChon 15 PRESENT PERFECT AND PAST SIMPLE TENSE.doc

Tiếng anh

... recently, don’t you think?6 My grandfather died 30 years ago. I (never/meet) him.4. Fill in the blanks with modals: must - have to - ought to - used to1. You wash your hands before meals.2. It’s ... are weak. I wear glasses.5. Give the correct tenses of the verbs in brackets:1. I’m sorry you’re leaving. I hope you ….…… …………………………… (come) back and (see) ….…… …………………………… us soon 2. I think ... seventeen. In the play, she must appear in a bright red dress and long black stockings. Last year in another play, she had to wear short socks and a bright, orange-colored dress. If anyone asks her...
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