| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] have been [v-ing] for [noun] | 38 |
|
| 2 | [noun pl] have [been] [v-ing] for [noun] | 30 |
|
| 3 | [noun pl] have [been] [v-ing] for [noun pl] | 25 |
|
| 4 | [noun pl] have [been] [v-ing] for years | 10 |
|
| 5 | [noun pl] have [been] [v-ing] for year | 10 |
|
| 6 | [noun pl] have [been] [v-ing] for [noun sg] | 9 |
|
| 7 | [noun pl] had [been] [v-ing] for [noun] | 8 |
|
