| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [that] [pron] [modal v] [verb] | 677 |
|
| 2 | [is] [that] [pron] [adv] [verb] | 239 |
|
| 3 | [that] [pron] [adv] [modal v] [verb] | 171 |
|
| 4 | [is] [that] [pron] [adv] [modal v] | 12 |
|
