| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adv prt] seat | 70 |
|
| 2 | a [adv] seat | 70 |
|
| 3 | a back seat | 70 |
|
| 4 | a back seat | 70 |
|
| 5 | a [adv] seat | 70 |
|
