| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | main difference [be] that | 16 |
|
| 2 | main difference [be] [that] | 16 |
|
| 3 | main difference be [that] | 16 |
|
| 4 | main difference is [that] | 15 |
|
| 5 | main difference [is] [that] | 15 |
|
