| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] for a long time | 43 |
|
| 2 | be [v-ing] for a long | 39 |
|
| 3 | be [v-ing] a long time | 38 |
|
| 4 | be for a long time | 32 |
|
