| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [v-ing] for [det] [noun] | 68 |
|
| 2 | [vb past] [been] [v-ing] for [adj] year | 47 |
|
| 3 | [vb past] [been] [verb] for [det] year | 39 |
|
| 4 | [verb] [been] [v-ing] for [det] year | 36 |
|
| 5 | [vb past] [be] [v-ing] for [det] year | 20 |
|
| 6 | [vb past] [been] [v-ing] for [det] year | 20 |
|
| 7 | [vb past] [been] [v-ing] [prep] [det] year | 20 |
|
| 8 | [vb past] [been] [v-ing] [prep] [det] year | 20 |
|
