Hi. Can you tell me if they are optional, eg. they can be in past tenses or past perfect tenses?<br/><br/>(Sorry, can I write a question like the above using a comma before the abbreviation (?) 'eg'?)<br/><br/>1. He went home as he was (had been) told.<br/><br/>2. He bought the food item as he was (had been) asked to.<br/><br/>3. He bought the bag of chips as he was (had been) told.<br/><br/>4. The day before he came, she told (had told) him that he needed (needs - Not OK?) the car.