| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which dc [am/are] to be [vb pp] | 5 |
|
| 2 | which dc [am/are] to be included | 5 |
|
| 3 | which dc are to be [vb pp] | 5 |
|
| 4 | which dc [am/are] to be [vb pp] | 5 |
|
| 5 | which dcs [am/are] to be [vb pp] | 5 |
|
