| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] reason for [v-ing] [det] | 33 |
|
| 2 | [adj] reason for [verb] this | 17 |
|
| 3 | main reason for [verb] [det] | 6 |
|
| 4 | [adj] reason for [verb] that | 5 |
|
| 5 | only reason for [verb] [det] | 5 |
|
