| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | becomes [adj] | 2798 |
|
| 2 | becomes [adj] | 2359 |
|
| 3 | [verb] necessary | 763 |
|
| 4 | become necessary | 184 |
|
| 5 | [vb -s] necessary | 131 |
|
| 6 | becomes necessary | 50 |
|
