| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] think it necessary | 14 |
|
| 2 | not think it necessary | 14 |
|
| 3 | [not/n't] think it necessary | 14 |
|
| 4 | not think it necessary | 8 |
|
| 5 | n't think it necessary | 6 |
|
| 6 | think it be necessary | 20 |
|
| 7 | think it [be] necessary | 20 |
|
| 8 | think it 's necessary | 16 |
|
| 9 | think it [is] necessary | 16 |
|
| 10 | think it necessary [verb] | 15 |
|
| 11 | think it necessary [to-vb] | 14 |
|
