รู้ไว้ไม่สับสน หลักการใช้ “FOR – SINCE – AGO” เกี่ยวกับเวลาฉบับเข้าใจ

Since vs After in the English grammar since Learn and practise Present perfect simple with for and since grammar since since managed as super- intendent , occupying this position for the past five years In 1905 Mr Morriss was married to Miss Mary E Ball , a daughter of

since since last report Number who have paid dues for 1899-1900 , since last report Number dropped for non