| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] be | 32024 |
|
| 2 | [noun sg] [prep] be | 19818 |
|
| 3 | system [prep] be | 108 |
|
| 4 | system [prep] be | 85 |
|
| 5 | system [prep] [be] | 85 |
|
| 6 | system [prep] [be] | 79 |
|
