| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been used as the [noun] | 9 |
|
| 2 | have be used as the [noun] | 9 |
|
| 3 | [verb] be used as the [noun sg] | 8 |
|
| 4 | [verb] be used as the basis | 6 |
|
| 5 | [verb] be used as the basis | 6 |
|
