| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] is [adv] [adv] [to-vb] | 210 |
|
| 2 | purpose is [adv] [adv] [verb] | 13 |
|
| 3 | purpose be [adv] [adv] [to-vb] | 12 |
|
| 4 | purpose [be] [adv] [adv] [to-vb] | 12 |
|
| 5 | purpose [is] [adv] [adv] [to-vb] | 10 |
|
| 6 | purpose is [adv] [adv] [to-vb] | 10 |
|
