| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | reason for the [noun] ' [noun sg] | 6 |
|
| 2 | reason for [art] [noun] ' [noun sg] | 6 |
|
| 3 | reason for the [noun] ' [noun sg] | 6 |
|
| 4 | reason for [art] [noun] ' [noun sg] | 6 |
|
