การใช้ since for ใน present prefect tense ใช้ต่างกันยังไง เอาให้กระจ่างไป

since  since conjunction B1 from a particular time in the past until a later time, or until now: I've been very busy since I came back from holiday  The Thai translation for since is ตั้งแต่ There is 1 example of the Thai word for since being used

Since covers the whole period 1776-2008 USA started 232 years ago You're referring to that specific time ago doesn't include any since yesterday – since last night – since 2011 – since 2016 – since his birthday – since last month – since last Monday – since this morning –

แบบฝึกหัดการใช้ since และ for พร้อมเฉลย 1 I have been studying English ______ five years 2 He has been working at the hospital ______ three months 3 They have since 10 o'clockSundayJaunary2002ChristmasI woke up1st January For 1 แปลว่าสำหรับ เช่น for me 2 ใช้กับ present perfect บอกช่วงเวลา เช่น She has worked