| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [prep] a | 11945 |
|
| 2 | which is [verb] [prep] | 3944 |
|
| 3 | which [verb] [prep] a | 1921 |
|
| 4 | which is [verb] a | 142 |
|
| 5 | which is [prep] a | 95 |
|
