| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] the reason for | 7 |
|
| 2 | be [vb pp] [prep] [art] reasons for | 7 |
|
| 3 | be [vb pp] as [art] reason for | 6 |
|
| 4 | be [vb pp] [prep] [art] reason for | 6 |
|
| 5 | be [vb pp] [prep] a reason for | 6 |
|
