| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for [det] months | 11 |
|
| 2 | had be [verb] for [det] months | 6 |
|
| 3 | have be [v-ing] for [det] months | 6 |
|
| 4 | have be [verb] for several months | 6 |
|
| 5 | have be [vb pp] for [det] months | 5 |
|
