| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [v-ing] for a | 219 |
|
| 2 | [be] [v-ing] for a long | 41 |
|
| 3 | [verb] [be] for a long | 17 |
|
| 4 | [verb] [be] [v-ing] a long | 16 |
|
