| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [v-ing] [adv] for month | 9 |
|
| 2 | have [been] [v-ing] [adv] for month | 9 |
|
| 3 | [been] [v-ing] [adv] for [adj] month | 9 |
|
| 4 | [been] [v-ing] [adv] for [det] month | 6 |
|
