| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [prep] [verb] [that] | 319 |
|
| 2 | is [verb] [that] a | 294 |
|
| 3 | [prep] [verb] [that] a | 246 |
|
| 4 | is [prep] [verb] a | 223 |
|
