| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] a [noun] | 13650 |
|
| 2 | to obtain a [noun] | 312 |
|
| 3 | [noun sg] to obtain [noun] | 166 |
|
| 4 | [noun sg] to obtain a | 138 |
|
