| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | reason for the [noun pl] [prep] | 12 |
|
| 2 | reason for the [noun pl] of | 8 |
|
| 3 | reason for the [noun pl] of | 8 |
|
| 4 | reason for the [noun pl] [prep] | 7 |
|
| 5 | reasons for the [noun pl] [prep] | 5 |
|
