| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | years there have been [adj] [noun] | 47 |
|
| 2 | years there have been [adj] [noun] | 47 |
|
| 3 | years [ex0] have been [adj] [noun] | 47 |
|
| 4 | years [pron] have been [adj] [noun] | 33 |
|
| 5 | years [pron] have been [adj] [noun sg] | 29 |
|
| 6 | years [pron] has been [adj] [noun] | 25 |
|
| 7 | years [pron] have been [adj] [noun pl] | 22 |
|
| 8 | years [pron] have been [adj] [noun] | 17 |
|
| 9 | years [pron] have been [det] [noun] | 16 |
|
| 10 | years [pron] had been [adj] [noun] | 7 |
|
| 11 | years [pron] have been considerable [noun] | 6 |
|
| 12 | years [pron] have been many [noun] | 6 |
|
| 13 | years [pron] have been considerable [noun] | 6 |
|
| 14 | years [pron] have been increasing [noun] | 6 |
|
| 15 | years [pron] have been many [noun] | 6 |
|
| 16 | years [pron] have been increasing [noun] | 6 |
|
| 17 | years [pron] have been [adj] debate | 5 |
|
| 18 | years [pron] have been [adj] debate | 5 |
|
