| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] some extent | 158 |
|
| 2 | [be] [prep] some extent | 158 |
|
| 3 | been [prep] some [noun] | 102 |
|
| 4 | been [prep] some [noun sg] | 82 |
|
| 5 | been [prep] some extent | 5 |
|
| 6 | been [prep] some extent | 5 |
|
| 7 | been [prep] [det] extent | 5 |
|
| 8 | [been] [prep] some extent | 5 |
|
| 9 | been [prep] [adj] extent | 5 |
|
