| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] been [prep] school | 10 |
|
| 2 | [vb past] [adv] [been] [prep] school | 10 |
|
| 3 | [vb past] [adv] [been] [prep] school | 10 |
|
| 4 | [vb past] [adv] [been] at school | 7 |
|
| 5 | [vb past] [adv] [been] at school | 7 |
|
| 6 | had [adv] [been] [prep] school | 7 |
|
