| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [is] often forgotten | 17 |
|
| 2 | it [is] often forgotten | 13 |
|
| 3 | [pers pn] [is] often forgotten | 13 |
|
| 4 | it [is] often forgotten | 13 |
|
| 5 | [is] often forgotten that | 7 |
|
| 6 | [is] often forgotten [that] | 7 |
|
| 7 | [is] often forgotten that | 7 |
|
| 8 | [is] often forgotten [conj] | 7 |
|
