| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] for a | 1892 |
|
| 2 | [be] [v-ing] a long | 95 |
|
| 3 | [v-ing] for a long | 65 |
|
| 4 | [be] for a long | 39 |
|
