| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [verb] [prep] a | 1100 |
|
| 2 | they [vb base] been [verb] [prep] | 667 |
|
| 3 | they [vb base] [verb] [prep] a | 237 |
|
| 4 | they [vb base] been [verb] a | 39 |
|
| 5 | they [vb base] been [prep] a | 24 |
|
