| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [conj] | 2813 |
|
| 2 | reason is [conj] | 269 |
|
| 3 | reason is [adv] | 55 |
|
| 4 | reason [adv] [conj] | 20 |
|
