| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] at [noun] | 745 |
|
| 2 | [vb pp] [adv prt] at [noun] | 476 |
|
| 3 | is [vb pp] [adv prt] at | 86 |
|
| 4 | is [adv prt] at [noun] | 33 |
|
| 5 | is [vb pp] [adv prt] [noun] | 21 |
|
