| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been a long [noun] since | 7 |
|
| 2 | [vb -s] [be] a long time since | 7 |
|
| 3 | [vb -s] [been] a long [noun] since | 7 |
|
| 4 | [vb -s] [be] a long [noun sg] since | 7 |
|
| 5 | [vb -s] [be] a long time since | 7 |
|
| 6 | [vb -s] [be] a long [noun] since | 7 |
|
| 7 | [vb -s] be a long [noun] since | 7 |
|
| 8 | 's [be] a long [noun] since | 5 |
|
