当祈使句为否定形式时,变为间接引语后需要在不定式前加上not or never.例如: ①"Don’t throw rubbish on the ground," said the teacher.→ The teacher told the students not to throw rubbish on the ground. ②"Never come to this forest again!" said the farmer.→ The farmer ordered them never to go that forest again. 【查看更多】