| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun pl] [conj] [am/are] necessary for | 6 |
|
| 2 | the [noun pl] [conj] [am/are] necessary for | 5 |
|
| 3 | [art] [noun pl] [conj] [am/are] necessary for | 5 |
|
| 4 | the [noun pl] [conj] [am/are] necessary for | 5 |
|
| 5 | [art] [noun pl] [conj] [am/are] necessary for | 5 |
|
