请各举一例过去将来进行时、过去将来完成时、过去将来完成进行时、将来完成进行时的典型例句,

1.过去将来进行时：They said they would be coming.2.过去将来完成时：I thought you'd have left by this time.3.过去将来完成进行时：we should have been working．4.将来完成进行时：I shall have been working...