No | Pattern | Freq | Relations |
---|---|---|---|
1 | [be] [v-ing] for [adj] years | 151 | |
2 | [be] [verb] for several years | 30 | |
3 | [be] [v-ing] for several [noun pl] | 27 | |
4 | [be] [v-ing] for several [noun] | 27 | |
5 | [be] [v-ing] [prep] several years | 15 | |
6 | [be] [v-ing] for several year | 14 |