| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] do [adv] | 2155 |
|
| 2 | [modal v] [verb] [not/n't] | 753 |
|
| 3 | [modal v] [vb infin] [not/n't] | 743 |
|
| 4 | [modal v] do [not/n't] | 45 |
|
