| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | used [to-vb] [pron] [prep] [art] [noun sg] | 95 |
|
| 2 | used [to-vb] they [prep] [art] [noun] | 38 |
|
| 3 | [modal v] [to-vb] they [prep] [art] [noun sg] | 31 |
|
| 4 | used [verb] they [prep] [art] [noun sg] | 30 |
|
