| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be used [to-vb] [art] [noun sg] | 1116 |
|
| 2 | had be [to-vb] [art] [noun sg] | 53 |
|
| 3 | had be used [to-vb] [art] | 21 |
|
| 4 | had used [to-vb] [art] [noun sg] | 5 |
|
