a8) Install the new MC to the MC-Bracket using the 2 screws. Refer to 15-5. 8) 安装新的MC到MC托架使用2个螺丝。 参考15-5。[translate] aYet is used with the Present Perfect only in negative sentences and questions. 仅使用与现在完成时在消极句子和问题。[translate]...
Negative:haven’t / hasn’t + verb 3(past participle) Using Present Perfect We use Present perfect to show that a finished action/event has a connection with the present or has a result in the present. I can’t go out because I’ve lostmy keys. She’s hadan accident and she’s in...
Complete the sentences. Use the present perfect continuous (positive or negative) form of the verbs. (B1-U5-grammar) (1) She (read) that book for more than a week now. (2) She looks really tired. She (sleep) very well. 相关知识点: ...
Present Perfect - Negative Sentences Ihaven'tbeen abroad yet. Youhaven'tanswered my question. Hehasn'tbeen home for five years. Shehasn'tfound a new job. Ithasn'tfinished yet. Wehaven'tworked on a farm. Theyhaven'tseen each other for ages. ...
To make the present perfect tense negative, all you need to do is put the wordnotafterhave/has.The contractionshaven’tandhasn’tcan also be used. Here are examples of sentences that use the present perfect tense in the negative: Ihave not talkedto Ashley yet. ...
Complete these sentences in the present perfect affirmative or negative. Use the verbs in Exercise 1 a.1 My sister hasu't eaten her lunch because she's sick.2 I haven't got my grandmother's address, so I haven't written a letter to her.3 My cousin...has swum...with dolphins ...
I hope you have so far enjoyed the lessons. Today, we will review the negative form of sentences in Present Perfect Tense. We have already covered this inLesson 31. For ease of operation – and to help you to understand it better – I will use the same ten verbs we have so far used...
Use the present perfect continuous (positive or negative) form of the verbs.(1)She(read) that book for more thana week now.(2) She looks really tired. Shesleep)very well. 相关知识点: 试题来源: 解析 【解析】(1)'s been reading(2)hasn't been sleeping ...
Negative: have/has+ never+ [past participle verb] Question: have/has+ [subject]+ [past participle verb] Have/has+ [subject]+ ever+ [past participle verb] examples They have lived in Germany. I have never been to Italy. She has taken the test 3 times. ...
Present Perfect Progressive – affirmative (2)B1 Present Perfect Progressive – negative (1)B1 Present Perfect Progressive – negative (2)B1 Present Perfect Progressive – questions (1)B1 Present Perfect Progressive – questions (2)B1 Present Perfect Progressive – questions (3)B1 ...