| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] been [adj] | 728 |
|
| 2 | it [vb -s] [been] [adj] | 587 |
|
| 3 | it has [been] [adj] | 447 |
|
| 4 | it 's [been] [adj] | 280 |
|
| 5 | it [vb -s] [been] [num] | 69 |
|
| 6 | it [vb -s] [been] possible | 66 |
|
| 7 | it [vb -s] [been] possible | 66 |
|
| 8 | it [vb -s] [been] [det] | 53 |
|
| 9 | it [vb -s] [been] difficult | 39 |
|
| 10 | it [vb -s] [been] difficult | 39 |
|
| 11 | it [vb -s] [been] necessary | 31 |
|
| 12 | it [vb -s] [been] necessary | 31 |
|
| 13 | it [vb -s] [been] good | 27 |
|
| 14 | it [vb -s] [been] one | 23 |
|
| 15 | it [vb -s] [been] one | 23 |
|
| 16 | it [vb -s] [been] good | 23 |
|
| 17 | it [vb -s] [been] such | 22 |
|
| 18 | it [vb -s] [been] such | 22 |
|
| 19 | it [vb -s] [been] able | 21 |
|
| 20 | it [vb -s] [been] able | 21 |
|
| 21 | it [vb -s] [been] [adj -er] | 17 |
|
| 22 | it [vb -s] [been] impossible | 13 |
|
| 23 | it [vb -s] [been] impossible | 13 |
|
| 24 | it [vb -s] [been] hard | 12 |
|
| 25 | it [vb -s] [been] lovely | 12 |
|
| 26 | it [vb -s] [been] successful | 12 |
|
| 27 | it [vb -s] [been] hard | 12 |
|
| 28 | it [vb -s] [been] lovely | 12 |
|
| 29 | it [vb -s] [been] successful | 12 |
|
| 30 | it [vb -s] [been] wonderful | 10 |
|
