| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] be used for [noun] | 220 |
|
| 2 | [noun] [vb -s] be used for | 33 |
|
| 3 | [vb -s] be used for [noun] | 17 |
|
| 4 | [noun] [vb -s] be for [noun] | 13 |
|
