| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [vb pp] [adv] [verb] | 37 |
|
| 2 | it is [verb] [adv] [to-vb] | 33 |
|
| 3 | it is [v-ing] [adv] [verb] | 12 |
|
| 4 | it is [verb] [adv] [vb pp] | 10 |
|
| 5 | it is become [adv] [verb] | 7 |
|
| 6 | it is becoming [adv] [verb] | 6 |
|
| 7 | it is [verb] increasingly [verb] | 5 |
|
| 8 | it is design [adv] [verb] | 5 |
|
| 9 | it is designed [adv] [verb] | 5 |
|
| 10 | it is [verb] only [verb] | 5 |
|
