| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] used to | 125 |
|
| 2 | never used to | 38 |
|
| 3 | always used to | 35 |
|
| 4 | all used to | 8 |
|
| 5 | just used to | 6 |
|
| 6 | only used to | 6 |
|
| 7 | often used to | 5 |
|
