| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [vb pp] to be | 279 |
|
| 2 | has [been] [verb] to be | 279 |
|
| 3 | [verb] [been] designed to be | 16 |
|
| 4 | have [been] designed to be | 16 |
|
| 5 | has [been] designed to be | 11 |
|
| 6 | has [been] designed to [be] | 11 |
|
| 7 | has [been] designed to be | 11 |
|
| 8 | has [been] designed [prep] be | 11 |
|
| 9 | has [been] designed [prep] be | 11 |
|
| 10 | [vb -s] [been] designed to be | 11 |
|
| 11 | has [be] designed to be | 11 |
|
| 12 | has [been] design to be | 11 |
|
| 13 | has [been] designed to [be] | 11 |
|
