| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] [prep] | 14185 |
|
| 2 | [vb past] [been] [prep] | 4108 |
|
| 3 | they [vb past] [been] | 2540 |
|
| 4 | they [been] [prep] | 20 |
|
