She started learning English three years ago改为否定句 Sally stop

She started learning English three years ago改为否定句 Sally stop She came here three years ago.改为同义句. She's learning Chinese.(用three years ago)改为一般过去式 She started learning three years before.是对是错? She started to operate on his leg three hours ago(改为同义句) She i started to teach english three years ago I started learing English three years ago.(对three years ago提 ①We have been learning English for three years.(改为同义句） He started studying English two years ago 同义句 He started studying English two years ago.同义句 they have learnt English since three years ago.改为同义句 We began to learn English three years ago.改为同义句