| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [prep] [noun prp] | 1749 |
|
| 2 | which is [prep] | 1608 |
|
| 3 | which [prep] [noun prp] | 257 |
|
| 4 | which is [noun prp] | 132 |
|
