| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] [vb mod] to | 19 |
|
| 2 | [vb past] [adv] [modal v] to | 19 |
|
| 3 | did [adv] [modal v] to | 17 |
|
| 4 | [vb past] [not/n't] [modal v] to | 16 |
|
| 5 | [vb past] not [modal v] to | 16 |
|
| 6 | [vb past] n't [modal v] to | 15 |
|
| 7 | [vb past] [adv] used to | 12 |
|
| 8 | [vb past] [adv] used to | 12 |
|
| 9 | [vb past] [adv] ought to | 7 |
|
| 10 | [vb past] [adv] ought to | 7 |
|
