| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [to-vb] how [adj] | 21 |
|
| 2 | be [vb pp] [to-vb] [Wh adv] [adj] | 11 |
|
| 3 | be [vb pp] to show [Wh adv] [adj] | 6 |
|
| 4 | be used [to-vb] [Wh adv] [adj] | 6 |
|
| 5 | be [vb pp] to see [Wh adv] [adj] | 5 |
|
