| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is that [det] [was/were] | 20 |
|
| 2 | is that [adj] was | 13 |
|
| 3 | is that this [was/were] | 11 |
|
| 4 | is that this [was/were] | 11 |
|
| 5 | is that [adj] were | 8 |
|
