| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] for a long [noun] [adv] | 7 |
|
| 2 | [v-ing] for a long [noun sg] [adv] | 7 |
|
| 3 | [v-ing] for a long time [adv] | 5 |
|
| 4 | [v-ing] for a long time [adv] | 5 |
|
