| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] that the [adj] system | 12 |
|
| 2 | be [verb] [that] the [adj] system | 12 |
|
| 3 | [be] [vb pp] [that] the [adj] system | 11 |
|
| 4 | [is] [verb] [that] the [adj] system | 6 |
|
| 5 | is [verb] [that] the [adj] system | 6 |
|
