After 引导的分语短语,如何正确使用?1 After having unscrewed,the Officer put the bottle to his nostrils.2 After rowing a few miles across the Caribbean,they arrived at a small coral island.

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After 引导的分语短语,如何正确使用?1 After having unscrewed,the Officer put the bottle to his nostrils.2 After rowing a few miles across the Caribbean,they arrived at a small coral island.

After 引导的分语短语,如何正确使用?1 After having unscrewed,the Officer put the bottle to his nostrils.2 After rowing a few miles across the Caribbean,they arrived at a small coral island.
After 引导的分语短语,如何正确使用?
1 After having unscrewed,the Officer put the bottle to his nostrils.
2 After rowing a few miles across the Caribbean,they arrived at a small coral island.

After 引导的分语短语,如何正确使用?1 After having unscrewed,the Officer put the bottle to his nostrils.2 After rowing a few miles across the Caribbean,they arrived at a small coral island.
主句的主语与after后的(谓语)动词是主动关系用动词的现在分词,被动关系用过去分词.如果表示完成前加have.