| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but not [adv] [adj] | 673 |
|
| 2 | but not [adv] [adj] | 672 |
|
| 3 | [conj] not necessarily [adj] | 98 |
|
| 4 | but not necessarily [adj] | 40 |
|
| 5 | but [adv] necessarily [adj] | 40 |
|
| 6 | but not necessarily [adj] | 40 |
|
| 7 | but [not/n't] necessarily [adj] | 40 |
|
