| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [be] a [adj] | 4671 |
|
| 2 | system [be] a [adj] | 58 |
|
| 3 | system have a [adj] | 25 |
|
| 4 | system have [be] a | 13 |
|
| 5 | system have [be] [adj] | 12 |
|
