| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [be] a [adj] [noun sg] | 3747 |
|
| 2 | system [be] a [adj] [noun sg] | 41 |
|
| 3 | system have a [adj] [noun sg] | 19 |
|
| 4 | system have [be] a [adj] | 7 |
|
