| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] some time since | 17 |
|
| 2 | be some time since | 17 |
|
| 3 | is some [noun] since | 14 |
|
| 4 | is some [noun sg] since | 11 |
|
| 5 | is some time [conj] | 11 |
|
| 6 | [is] some time since | 11 |
|
| 7 | is some time since | 10 |
|
| 8 | is [adj] time since | 10 |
|
