| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is [adj] [prep] | 12255 |
|
| 2 | [pron] is [adj] [prep] | 10541 |
|
| 3 | [pron] be necessary [prep] | 383 |
|
| 4 | [pron] [be] necessary [prep] | 383 |
|
| 5 | [pron] [is] necessary [prep] | 228 |
|
| 6 | [pron] is necessary [prep] | 209 |
|
