| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be worth remembering that [det] | 9 |
|
| 2 | it be worth remembering that [det] | 9 |
|
| 3 | it be [prep] remembering that [det] | 9 |
|
| 4 | it be [prep] remembering that [det] | 9 |
|
| 5 | it is [prep] remembering that [det] | 7 |
|
