บทความ

การใช้ For , since , and ago

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การใช้  For , since , and ago We use for and since to say how long A: - Rachel is in Brazil. She has been there       for three days. -  Rachel is in Brazil. She has been there      since Monday เราใช้ for กับ since ต่างกันอย่างไร มาดูกันค่ะ! B:      ago   ago = before now - Ji Yoo started her new job three weeks ago. (=three weeks before now) - "When did Tom go out?" :Ten minute ago" (= ten minute before now) - I had dinner an hour ago. - Life was very different a hundred years ago.

How long have you ... ?

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 How long have you ... ? A:  David is on vacation in New York. He is there now. He arrived in New York on Monday. Today is Thursday. How long has he been in New York? He has been in New York →    since Monday.                                           ↘     for three days.

Present perfect : Have you ever ... ?

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 Present perfect : Have you ever ... ?  A:

การใช้ I used to...

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 การใช้  I used to... Dave used to work im a factory. Now he works in a supermarket. Dave used to work in a factory = he worked in a factory in the past, but he doesn't work there now.

Past Contiuous and Simple Past : I was doing and I did

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 Past Contiuous and Simple Past : I was doing and I did A: What happened ?    The phone rang . (simple past) What was Eric doing when the phone rang?     (past continuous) He was reading a book.                                                (past continuous) What did he do when the phone rang?                      (simple past) He stopped reading and answered the phone.       (simple past) Eric began reading before the phone rang. So when the phone rang, he was reading . 

Past Continuous : I was doing

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 Past Continuous : I was doing A: 

Simple Past Negative and Question : I didn't ... Did you ...?

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Simple Past Negative and Question : I didn't ...  Did  you ...?