| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [v-ing] [art] long [noun sg] | 6 |
|
| 2 | [prep] be [v-ing] a long [noun] | 6 |
|
| 3 | to be [v-ing] [art] long [noun] | 6 |
|
