| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb base] [prep] [noun] | 931 |
|
| 2 | [vb base] [been] [prep] [noun] | 819 |
|
| 3 | which [vb base] [been] [prep] | 31 |
|
| 4 | which [vb base] [been] [noun] | 10 |
|
