| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been designed so [conj] | 6 |
|
| 2 | [vb -s] be designed so that | 6 |
|
| 3 | [vb -s] be designed so that | 6 |
|
| 4 | [vb -s] be designed so [conj] | 6 |
|
| 5 | has be designed so [conj] | 6 |
|
| 6 | [vb -s] be designed so [that] | 6 |
|
