| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] that it is often | 17 |
|
| 2 | [be] that it is often | 11 |
|
| 3 | [noun] that it is often | 11 |
|
| 4 | [is] that it is often | 11 |
|
| 5 | be that it is often | 11 |
|
| 6 | is that it is often | 11 |
|
| 7 | [noun sg] that it is often | 9 |
|
| 8 | [vb pp] that it is often | 7 |
|
| 9 | [adj] that it is often | 5 |
|
| 10 | that it is often [adj] | 28 |
|
| 11 | that it is often [adj] | 23 |
|
| 12 | that it is often [vb pp] | 9 |
|
| 13 | that it is often [adv] | 9 |
|
| 14 | that it is often difficult | 9 |
|
| 15 | that it is often difficult | 9 |
|
| 16 | that it is often [verb] | 9 |
|
| 17 | that it is often [adv] | 6 |
|
| 18 | that it is often [art] | 6 |
|
| 19 | that it is often [art] | 6 |
|
| 20 | that it is often the | 6 |
|
| 21 | that it is often the | 6 |
|
