| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [prep] [be] [adj] | 439 |
|
| 2 | which is [prep] [be] | 198 |
|
| 3 | which is [prep] [adj] | 144 |
|
| 4 | which [prep] [be] [adj] | 14 |
|
