| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but do not [verb] | 1057 |
|
| 2 | but do not [vb infin] | 1057 |
|
| 3 | [conj] do not require | 54 |
|
| 4 | but do [not/n't] require | 9 |
|
| 5 | but do not require | 9 |
|
| 6 | but do [adv] require | 9 |
|
| 7 | but [verb] not require | 8 |
|
| 8 | but do not require | 8 |
|
