| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] used to be | 1772 |
|
| 2 | [pers pn] used to be | 1171 |
|
| 3 | they [vb mod] to be | 303 |
|
| 4 | they [modal v] to be | 303 |
|
| 5 | they used to be | 208 |
|
| 6 | they used to be | 206 |
|
| 7 | they used [prep] be | 206 |
|
| 8 | they used [prep] be | 206 |
|
| 9 | they used to be | 206 |
|
| 10 | they used to [be] | 206 |
|
| 11 | they used to be | 206 |
|
| 12 | they used to [be] | 206 |
|
