| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been use [prep] | 236 |
|
| 2 | been use [prep] a | 198 |
|
| 3 | [vb base] been [prep] a | 187 |
|
| 4 | [vb base] been use a | 12 |
|
| 5 | [vb base] use [prep] a | 9 |
|
