| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] to use a [noun sg] | 16 |
|
| 2 | be [vb pp] to use a [noun] | 16 |
|
| 3 | be allowed to use a [noun] | 5 |
|
| 4 | be allow to use a [noun] | 5 |
|
