| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] used to [be] | 104 |
|
| 2 | [noun pl] [prep] [pron] to [be] | 69 |
|
| 3 | [noun pl] [pron] used to [be] | 26 |
|
| 4 | [noun pl] [prep] [pron] used to | 22 |
|
