| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] to be | 3684 |
|
| 2 | it [vb -s] to be | 2358 |
|
| 3 | it have to be | 1424 |
|
| 4 | it [vb past] to be | 1124 |
|
| 5 | it has to be | 876 |
|
| 6 | it seem to be | 598 |
|
| 7 | it had to be | 490 |
|
| 8 | it seems to be | 384 |
|
| 9 | it need to be | 296 |
|
| 10 | it needs to be | 258 |
|
| 11 | it appear to be | 238 |
|
| 12 | it seemed to be | 207 |
|
| 13 | it remain to be | 172 |
|
| 14 | it remains to be | 162 |
|
| 15 | it appears to be | 156 |
|
| 16 | it tend to be | 100 |
|
| 17 | it [vb infin] to be | 99 |
|
| 18 | it prove to be | 87 |
|
| 19 | it tends to be | 85 |
|
| 20 | it mean to be | 82 |
|
| 21 | it appeared to be | 77 |
|
| 22 | it happen to be | 77 |
|
| 23 | it proved to be | 75 |
|
| 24 | it come to be | 67 |
|
| 25 | it [v-ing] to be | 65 |
|
| 26 | it go to be | 59 |
|
| 27 | it means to be | 59 |
|
| 28 | it came to be | 59 |
|
| 29 | it going to be | 58 |
|
| 30 | it have to be | 55 |
|
