| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [conj] the [adj] | 515 |
|
| 2 | [verb] [conj] the [adj] system | 125 |
|
| 3 | is [verb] the [adj] system | 13 |
|
| 4 | is [verb] [conj] the system | 13 |
|
| 5 | is [conj] the [adj] system | 7 |
|
