| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [vb mod] to | 170 |
|
| 2 | that [modal v] to | 170 |
|
| 3 | [conj] used to | 143 |
|
| 4 | that used to | 113 |
|
| 5 | that used [prep] | 113 |
|
