... Thị Hơng Trà English prepositions of place At, on, in: An analysis of errors made by Secondary school students (phân tích lỗi sử dụng giới từ chỉ địa điểm at, on, in ở học sinh thpt) graduation ... study and analysis of the errors made by second or foreign language learners. Corder, in his serminal1967 paper, made the point that errors are evidence of what the learners have taken in (intake) ... Legal and general Insurance But: She works in an insurance company Sometimes, AT and IN are both possible He is at school / (BrE) He is in school / (AmE) We prefer AT when we are thinking about...