| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] be necessary for | 250 |
|
| 2 | [pers pn] [be] necessary for | 192 |
|
| 3 | it [be] necessary for | 187 |
|
| 4 | it [be] necessary for | 187 |
|
| 5 | [pron] [is] necessary for | 145 |
|
| 6 | [pron] is necessary for | 133 |
|
| 7 | [pron] [was/were] necessary for | 81 |
|
| 8 | [pron] was necessary for | 79 |
|
| 9 | [Wh det] [be] necessary for | 56 |
|
| 10 | which [be] necessary for | 43 |
|
| 11 | which [be] necessary for | 43 |
|
| 12 | [pron] are necessary for | 20 |
|
| 13 | [pron] [am/are] necessary for | 20 |
|
| 14 | [pron] 's necessary for | 12 |
|
| 15 | what [be] necessary for | 10 |
|
| 16 | what [be] necessary for | 10 |
|
| 17 | they [be] necessary for | 5 |
|
| 18 | they [be] necessary for | 5 |
|
