| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it necessary | 424 |
|
| 2 | thought it [adj] | 271 |
|
| 3 | [vb past] it necessary | 160 |
|
| 4 | think it necessary | 65 |
|
| 5 | thought [pron] necessary | 16 |
|
