| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] to be used | 102 |
|
| 2 | had to be use | 30 |
|
| 3 | came to be use | 14 |
|
| 4 | continued to be use | 14 |
|
| 5 | began to be use | 12 |
|
| 6 | intended to be use | 11 |
|
| 7 | [vb past] to be using | 9 |
|
| 8 | seemed to be use | 6 |
|
