| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] to be | 764 |
|
| 2 | been [vb pp] to be | 751 |
|
| 3 | be designed to be | 197 |
|
| 4 | [be] designed to be | 197 |
|
| 5 | been design to be | 17 |
|
| 6 | been designed [prep] be | 17 |
|
| 7 | [been] designed to be | 17 |
|
| 8 | been designed to [be] | 17 |
|
| 9 | been designed to be | 17 |
|
| 10 | been designed [prep] be | 17 |
|
