| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] [subord] | 159 |
|
| 2 | it is not [verb] [subord] | 99 |
|
| 3 | it is [not/n't] [verb] [subord] | 99 |
|
| 4 | it is not [verb] [subord] | 97 |
|
| 5 | it is [adv] know [subord] | 79 |
|
| 6 | it is [adv] known [subord] | 78 |
|
| 7 | it is [adv] [verb] [subord] | 71 |
|
| 8 | it is [adv] [verb] whether | 52 |
|
| 9 | it is [adv] [verb] as | 45 |
|
| 10 | it is [adv] [verb] if | 26 |
|
| 11 | it is [adv] [verb] when | 18 |
|
| 12 | it is often [verb] [subord] | 12 |
|
| 13 | it is often [verb] [subord] | 12 |
|
| 14 | it is [adv] [verb] because | 10 |
|
| 15 | it is [adv] [verb] where | 9 |
|
| 16 | it is only [verb] [subord] | 9 |
|
| 17 | it is only [verb] [subord] | 9 |
|
| 18 | it is [adv] regarded [subord] | 8 |
|
| 19 | it is [adv] regard [subord] | 8 |
|
| 20 | it is [adv] [v-ing] [subord] | 7 |
|
| 21 | it is [adv] record [subord] | 6 |
|
| 22 | it is [adv] used [subord] | 6 |
|
| 23 | it is also [verb] [subord] | 6 |
|
| 24 | it is also [verb] [subord] | 6 |
|
| 25 | it is [adv] recorded [subord] | 6 |
|
| 26 | it is [adv] use [subord] | 6 |
|
| 27 | it is [adv] see [subord] | 5 |
|
| 28 | it is generally [verb] [subord] | 5 |
|
| 29 | it is generally [verb] [subord] | 5 |
|
| 30 | it is [adv] seen [subord] | 5 |
|
