| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | reason for [art] | 835 |
|
| 2 | reason for the | 762 |
|
| 3 | reason for the | 762 |
|
| 4 | reason for a | 71 |
|
| 5 | reason for a | 53 |
|
| 6 | reason for an | 18 |
|
