| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [adv] a [adj] proportion of | 7 |
|
| 2 | [to-vb] [adv] a [adj] proportion [prep] | 7 |
|
| 3 | [to-vb] [adv] a [adj] proportion [prep] | 7 |
|
| 4 | [to-vb] [adv] a [adj] proportion of | 7 |
|
