| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [adv] [vb mod] to | 19 |
|
| 2 | i [adv] used to | 13 |
|
| 3 | i [adv] used to | 13 |
|
| 4 | i never [modal v] to | 9 |
|
| 5 | i [adv] ought to | 6 |
|
| 6 | i [adv] ought to | 6 |
|
