| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [prep] them | 40 |
|
| 2 | it is [prep] them | 40 |
|
| 3 | it is [verb] them | 35 |
|
| 4 | it is for them | 26 |
|
| 5 | it is for them | 26 |
|
| 6 | it is [to-vb] them | 23 |
|
| 7 | it is [v-ing] them | 12 |
|
| 8 | it is to them | 6 |
|
| 9 | it is to them | 6 |
|
