Hi A few comments to your question... Traditionally, ESL students have been taught passive tense by adding "by" to an agent in the sentence. This rule can be misleading, or at least proved confusing to some learners. Not

Hi Kooyeen "The girls were seen swimming in the pool a few hours before they were found killed in the attic" This thread deals with transformations. You did not provide us with an active version of that sentence. Why not? You've now

The sentence "Bill saw the girls swimming in the pool" is a perfect example of a sentence that simply should NOT be transformed to a passive sentence at all. Yo Amy, does "The girls were seen swimming in the pool a few hours before