| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [adv] for [adv] [adj] | 50 |
|
| 2 | [adv] for [adv] [adj] months | 34 |
|
| 3 | [v-ing] [adv] for [adj] months | 17 |
|
| 4 | [v-ing] for [adv] [adj] months | 11 |
|
