| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [Wh adv] it is [that] | 46 |
|
| 2 | explain [Wh adv] it is [that] | 20 |
|
| 3 | [to-vb] [Wh adv] it is [that] | 18 |
|
| 4 | [vb infin] [Wh adv] it is [that] | 10 |
|
| 5 | [vb base] [Wh adv] it is [that] | 9 |
|
| 6 | to explain [Wh adv] it is [that] | 9 |
|
| 7 | [prep] [Wh adv] it is [that] | 8 |
|
| 8 | [prep] [Wh adv] it is [that] | 8 |
|
| 9 | [adv] [Wh adv] it is [that] | 8 |
|
| 10 | [adv] [Wh adv] it is [that] | 8 |
|
| 11 | wonder [Wh adv] it is [that] | 6 |
|
| 12 | know [Wh adv] it is [that] | 5 |
|
| 13 | [Wh adv] [adj] it is [that] | 33 |
|
| 14 | [Wh adv] [adj] it is [that] | 33 |
|
| 15 | [Wh adv] it is [adj] [that] | 43 |
|
| 16 | [Wh adv] it is [adj] [that] | 43 |
|
| 17 | [Wh adv] it is [verb] [that] | 40 |
|
| 18 | [Wh adv] it is [vb pp] [that] | 40 |
|
| 19 | [Wh adv] it is important [that] | 9 |
|
| 20 | [Wh adv] it is important [that] | 9 |
|
| 21 | [Wh adv] it is clear [that] | 7 |
|
| 22 | [Wh adv] it is clear [that] | 7 |
|
| 23 | [Wh adv] it is essential [that] | 5 |
|
| 24 | [Wh adv] it is vital [that] | 5 |
|
| 25 | [Wh adv] it is essential [that] | 5 |
|
| 26 | [Wh adv] it is assume [that] | 5 |
|
| 27 | [Wh adv] it is vital [that] | 5 |
|
| 28 | [Wh adv] it is assumed [that] | 5 |
|
| 29 | [Wh adv] it is [that] [art] | 29 |
|
| 30 | [Wh adv] it is [that] [art] | 29 |
|
