In came a man with a white beard.【进来了一个白胡子的人】这是完全倒装,即谓语全部放在主语之前a man with a white beard came in.【进来,算是词组】【一个白胡子的人进来了】两句的强调的重点不同.
Only once was John late to class.是部分倒装,was是系动词.原句是john was once late to class
only +状语+系动词+主语+其他
In came a man with a white beard.【进来了一个白胡子的人】这是完全倒装,即谓语全部放在主语之前a man with a white beard came in.【进来,算是词组】【一个白胡子的人进来了】两句的强调的重点不同.
Only once was John late to class.是部分倒装,was是系动词.原句是john was once late to class
only +状语+系动词+主语+其他