| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is often [verb] [that] | 150 |
|
| 2 | [noun sg] it is [verb] [that] | 139 |
|
| 3 | [noun sg] it is often [verb] | 18 |
|
| 4 | [noun sg] is often [verb] [that] | 6 |
|
