| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [that] [pron] [verb] a | 253 |
|
| 2 | [is] [that] [pron] [vb base] [art] | 230 |
|
| 3 | [is] [conj] [pron] [vb base] a | 146 |
|
| 4 | [be] [that] [pron] [vb base] a | 135 |
|
