| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [v-ing] [prep] months | 12 |
|
| 2 | have [been] [v-ing] [prep] months | 12 |
|
| 3 | [vb base] [been] [v-ing] [prep] months | 5 |
|
| 4 | have [been] [v-ing] [prep] months | 5 |
|
| 5 | [been] [v-ing] [adv] [prep] months | 9 |
|
| 6 | [been] [v-ing] [pron] [prep] months | 5 |
|
| 7 | [been] [v-ing] [adv] [prep] months | 5 |
|
| 8 | [been] [v-ing] [pers pn] [prep] months | 5 |
|
| 9 | [been] [v-ing] [prep] [adj] months | 28 |
|
| 10 | [been] [v-ing] [prep] [num] months | 16 |
|
| 11 | [been] [v-ing] [prep] six months | 7 |
|
| 12 | [been] [v-ing] [prep] six months | 7 |
|
| 13 | [been] [v-ing] [prep] [adj] months | 6 |
|
| 14 | [been] [v-ing] [prep] [det] months | 6 |
|
| 15 | [been] [v-ing] [prep] recent months | 5 |
|
| 16 | [been] [v-ing] [prep] recent months | 5 |
|
