| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [prep] [art] [noun] | 18987 |
|
| 2 | which is [vb pp] [prep] [art] | 1558 |
|
| 3 | which is [vb pp] [prep] [noun] | 908 |
|
| 4 | which is [prep] [art] [noun] | 278 |
|
| 5 | which is [vb pp] [art] [noun] | 52 |
|
