| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be of [noun sg] a | 99 |
|
| 2 | be of course a | 92 |
|
| 3 | is of [noun sg] a | 72 |
|
| 4 | was of [noun sg] a | 19 |
|
| 5 | be of necessity a | 6 |
|
