| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be at [noun] | 238 |
|
| 2 | it [be] at [noun] | 238 |
|
| 3 | it [is] at [noun] | 122 |
|
| 4 | it [be] at [noun sg] | 121 |
|
| 5 | it [was/were] at [noun] | 114 |
|
| 6 | it was at [noun] | 112 |
|
| 7 | it [be] at [noun prp] | 83 |
|
| 8 | it is at [noun] | 65 |
|
| 9 | it 's at [noun] | 57 |
|
| 10 | it [be] at [noun pl] | 32 |
|
| 11 | it [be] at home | 23 |
|
| 12 | it [be] at present | 23 |
|
| 13 | it [be] at home | 23 |
|
| 14 | it [be] at present | 23 |
|
| 15 | it [be] at time | 19 |
|
| 16 | it [be] at times | 16 |
|
| 17 | it [be] at night | 9 |
|
| 18 | it [be] at night | 9 |
|
| 19 | it [be] at work | 7 |
|
| 20 | it [be] at work | 7 |
|
