| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] on a long | 7 |
|
| 2 | [be] [v-ing] on a long | 7 |
|
| 3 | [v-ing] on a long [noun sg] | 14 |
|
| 4 | [v-ing] on a long [noun] | 14 |
|
