| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [ex0] is often a | 13 |
|
| 2 | [noun] [ex0] [is] often a | 13 |
|
| 3 | [noun] there [is] often a | 13 |
|
| 4 | [noun sg] [ex0] [is] often a | 8 |
|
| 5 | [noun pl] [ex0] [is] often a | 5 |
|
