| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | used to work in the | 14 |
|
| 2 | used to go in the | 13 |
|
| 3 | used to live in the | 8 |
|
| 4 | used to sit in the | 7 |
|
| 5 | used to do in the | 7 |
|
| 6 | used to sing in the | 5 |
|
| 7 | used to have in the | 5 |
|
