| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | unable to obtain a [noun] | 9 |
|
| 2 | unable to obtain [art] [noun] | 9 |
|
| 3 | unable to obtain [art] [noun sg] | 9 |
|
| 4 | unable to obtain a [noun] | 9 |
|
