| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [det] not a [noun sg] | 8 |
|
| 2 | is [adj] not a [noun sg] | 6 |
|
| 3 | is that not a [noun sg] | 5 |
|
| 4 | is that not a [noun sg] | 5 |
|
