| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | think it [be] necessary for [pers pn] | 5 |
|
| 2 | think [pron] [be] necessary for [pers pn] | 5 |
|
| 3 | think it [be] necessary for [pers pn] | 5 |
|
| 4 | think [pers pn] [be] necessary for [pers pn] | 5 |
|
| 5 | think [pron] be necessary for [pers pn] | 5 |
|
| 6 | think [pron] 's necessary for [pers pn] | 5 |
|
| 7 | think [pron] [is] necessary for [pers pn] | 5 |
|
