| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it used to [be] | 160 |
|
| 2 | [subord] it used to [be] | 116 |
|
| 3 | because [pron] used to [be] | 23 |
|
| 4 | because [pers pn] used to [be] | 22 |
|
| 5 | because it used to [be] | 8 |
|
| 6 | because it used to [be] | 8 |
|
| 7 | because it used to [be] | 8 |
|
| 8 | because it used to [be] | 8 |
|
| 9 | because it [vb mod] to [be] | 8 |
|
| 10 | because it used to [be] | 8 |
|
| 11 | because it used [prep] [be] | 8 |
|
| 12 | because it used [prep] [be] | 8 |
|
| 13 | because it [modal v] to [be] | 8 |
|
