| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [is] often [verb] to | 95 |
|
| 2 | [noun] [is] [adv] refer to | 83 |
|
| 3 | [noun] [is] [adv] refer to | 80 |
|
| 4 | [noun] [be] often refer to | 42 |
|
| 5 | [noun] [is] often refer to | 21 |
|
| 6 | [noun] [is] often refer [prep] | 21 |
|
| 7 | [noun] [is] often refer to | 21 |
|
| 8 | [noun] [is] often refer [prep] | 21 |
|
