The simple past perfect tense去完成时

Future-in-the-Past Perfect Tense过去将来完成时;过去将来完成进行时

the past perfect progressive去完成进行时

The past Perfect Simple过去完成时

But The Past Perfect而过去美好

The Past Perfect Continuous过去完成进行时;去完成进行时

The Past Future Perfect过去将来完成时;去将来完成时

The Past Perfect Tense过去完成时

the past future perfect tense过去将来完成时;将来完成时;去将来完成时

Learn the past perfect tense标