| A | B |
|---|
| That horse looks as if it | has been ridden hard. |
| The dog | has brought a bone. |
| Three times this week I | have gone to the beach. |
| Already I | have finished the homework. |
| Already she | has finished the homework. |
| Twice this week Tom | has gone to the beach. |
| Look how much you | have grown. |
| The kid looks as if he | has grown an inch this month. |
| Sally | has worn that coat all week. |
| I | have worn that coat all week. |
| Three times this week John and Ed | have gone to the beach. |
| Terry looks as if he | has worn that coat all week. |
| Juanita | should not have thrown that vase. |
| Jerry couldn't find his watch because it | was stolen. |
| Dolly won't go on the trip because she | has never flown before. |
| Oliver and Richard aren't afraid to fly because they | have never been in an accident. |
| In the accident, they | were thrown out of the car. |
| She wasn't hurt in the accident because she | was wearing her seatbelt. |
| They weren't hurt in the accident because they | had airbags in the car. |
| Jane looked as though she | hadn't slept in a week. |
