| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [adv] for month | 12 |
|
| 2 | have been [v-ing] [adv] for month | 9 |
|
| 3 | have been [adv] for [adj] month | 14 |
|
| 4 | have been [adv] for [num] month | 12 |
|
| 5 | have been [adv] for six month | 6 |
|
| 6 | have been [adv] for six month | 6 |
|
| 7 | have been [adv] for [art] month | 5 |
|
| 8 | have been [adv] for a month | 5 |
|
| 9 | have been [adv] for a month | 5 |
|
| 10 | have been [adv] for [art] month | 5 |
|
