| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [verb] [prep] [adj] months | 115 |
|
| 2 | [be] [verb] [prep] six months | 92 |
|
| 3 | [been] [verb] [prep] [num] months | 87 |
|
| 4 | [been] [verb] [prep] six [noun] | 36 |
|
| 5 | [been] [verb] [prep] six [noun pl] | 33 |
|
| 6 | [been] [verb] [prep] six month | 20 |
|
| 7 | [been] [verb] [prep] six months | 20 |
|
| 8 | [been] [verb] [prep] six months | 20 |
|
