| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [to-vb] a [noun] for | 16 |
|
| 2 | is [vb pp] [to-vb] a [noun sg] for | 13 |
|
| 3 | is [vb pp] to provide a [noun] for | 6 |
|
| 4 | is intended [to-vb] a [noun] for | 6 |
|
