| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] used [to-vb] | 7342 |
|
| 2 | [pers pn] used [to-vb] | 6932 |
|
| 3 | they [vb mod] [to-vb] | 1501 |
|
| 4 | they [modal v] [to-vb] | 1501 |
|
| 5 | they used [to-vb] | 1190 |
|
| 6 | they used [to-vb] | 1180 |
|
| 7 | they used [verb] | 1180 |
|
