| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb -s] be for | 54 |
|
| 2 | [noun] [vb -s] be operate | 28 |
|
| 3 | [vb -s] be operate for | 13 |
|
| 4 | [noun] be operate for | 5 |
|
