| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [been] a | 671 |
|
| 2 | [vb base] [been] wait | 155 |
|
| 3 | [vb base] wait a | 33 |
|
| 4 | [been] wait a | 15 |
|
