| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [prep] [det] reason | 47 |
|
| 2 | was [prep] [det] reason | 45 |
|
| 3 | [was/were] for [det] reason | 45 |
|
| 4 | [was/were] for [det] reason | 45 |
|
| 5 | [was/were] [prep] this reason | 30 |
|
| 6 | [was/were] [prep] that reason | 9 |
|
