| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] it is [adj] [to-vb] | 1300 |
|
| 2 | [noun] it is [adj] [verb] | 1218 |
|
| 3 | [noun sg] it is [adj] [verb] | 867 |
|
| 4 | [noun pl] it is [adj] [verb] | 383 |
|
| 5 | [noun] it is possible [verb] | 255 |
|
| 6 | [noun] it is possible [verb] | 255 |
|
| 7 | [noun] it is necessary [verb] | 175 |
|
| 8 | [noun] it is necessary [verb] | 175 |
|
| 9 | [noun] it is important [verb] | 115 |
|
| 10 | [noun] it is important [verb] | 115 |
|
| 11 | [noun] it is difficult [verb] | 109 |
|
| 12 | [noun] it is difficult [verb] | 109 |
|
| 13 | [noun] it is easy [verb] | 65 |
|
| 14 | [noun] it is good [verb] | 64 |
|
| 15 | [noun] it is [adj] to see | 52 |
|
| 16 | [noun] it is [adj] see | 52 |
|
| 17 | [noun] it is easy [verb] | 51 |
|
| 18 | [noun] it is hard [verb] | 47 |
|
| 19 | case it is [adj] [verb] | 45 |
|
| 20 | [noun] it is hard [verb] | 45 |
|
| 21 | [noun] it is impossible [verb] | 44 |
|
| 22 | [noun] it is impossible [verb] | 44 |
|
| 23 | [noun] it is [adj -est] [verb] | 41 |
|
| 24 | [noun] it is [adj -er] [verb] | 40 |
|
| 25 | [noun] it is best [verb] | 37 |
|
| 26 | [noun] it is [adj] have | 37 |
|
| 27 | [noun] it is [adj] to have | 36 |
|
| 28 | [noun] it is essential [verb] | 35 |
|
| 29 | [noun] it is essential [verb] | 35 |
|
| 30 | [noun] it is [adj] consider | 31 |
|
