| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] a [noun sg] | 1313 |
|
| 2 | been [v-ing] a [noun sg] | 518 |
|
| 3 | be using a [noun sg] | 122 |
|
| 4 | [be] using a [noun sg] | 122 |
|
| 5 | been using [art] [noun sg] | 44 |
|
| 6 | been using a [noun] | 17 |
|
| 7 | been use a [noun sg] | 15 |
|
| 8 | [been] using a [noun sg] | 11 |
|
