| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [v-ing] a [noun] | 1374 |
|
| 2 | is a long [noun] | 327 |
|
| 3 | [v-ing] a long [noun] | 259 |
|
| 4 | is [v-ing] a long | 14 |
|
