Chuyển những câu sau sang câu bị động
1. I saw them playing football in the park
They ............................................................................................................
2. The teacher is correcting her essay
She ...............................................................................................
3. I remembered Nam offering me a beautiful present on my birthday
I remembered ...................................................................................................
1. I saw them playing football in the park
They ..........were seen playing football in the park....................
2. The teacher is correcting her essay
She ...............is being corrected her essay by the teacher...............
3. I remembered Nam offering me a beautiful present on my birthday
I remembered ............being offered a beautiful present on my birthday by Nam ........................