| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] for [adj] months | 28 |
|
| 2 | [been] [v-ing] for [adj] months | 22 |
|
| 3 | been [v-ing] for [adj] months | 22 |
|
| 4 | [be] [v-ing] for [num] months | 21 |
|
| 5 | [be] running for [adj] months | 8 |
|
| 6 | [be] [v-ing] for six months | 7 |
|
| 7 | [be] [v-ing] for [det] months | 7 |
|
| 8 | [be] [v-ing] for six months | 7 |
|
