| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it used [prep] [be] | 7 |
|
| 2 | but it used to [be] | 7 |
|
| 3 | but it used [prep] be | 7 |
|
| 4 | but it used to [be] | 7 |
|
| 5 | but it used [prep] be | 7 |
|
| 6 | but it used [prep] [be] | 7 |
|
| 7 | but it used [prep] [be] | 7 |
|
