| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [vb -s] to be | 438 |
|
| 2 | this [vb -s] to be | 438 |
|
| 3 | this seems to be | 145 |
|
| 4 | this has to be | 106 |
|
| 5 | this appears to be | 76 |
|
| 6 | this needs to be | 54 |
|
| 7 | this tends to be | 12 |
|
| 8 | this happens to be | 11 |
|
| 9 | this proves to be | 9 |
|
| 10 | this continues to be | 8 |
|
