| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] is a long history [prep] | 13 |
|
| 2 | there is a long history [prep] | 13 |
|
| 3 | [pron] is a long history [prep] | 13 |
|
| 4 | there is a long history [prep] | 13 |
|
| 5 | is a long history [prep] [noun] | 7 |
|
