| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [is] often a [noun] | 69 |
|
| 2 | [ex0] [is] often a [noun sg] | 68 |
|
| 3 | [ex0] is often a [noun] | 63 |
|
| 4 | [ex0] [is] often a [noun] | 61 |
|
| 5 | [ex0] [is] often an [noun] | 8 |
|
| 6 | [ex0] 's often a [noun] | 6 |
|
