| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] friends for [noun] | 5 |
|
| 2 | [verb] [been] friends for [noun] | 5 |
|
| 3 | [been] friends for [adj] [noun] | 8 |
|
| 4 | [been] friends for [num] [noun] | 5 |
|
