SN4 ""

No	Pattern	Freq
1	be [verb] at the [adj] level	97
2	[be] [verb] at the [adj] level	97
3	[be] [verb] at the [adj] level	97
4	[be] [vb pp] at the [adj] level	88
5	[be] [verb] at the [adj] level	69
6	be [verb] at the [adj] level	40
7	[be] [verb] at the [adj] level	40
8	[is] [verb] at the [adj] level	20
9	is [verb] at the [adj] level	19
10	[be] [verb] at the [adj -est] level	17
11	[be] [verb] at the high level	15
12	[be] [verb] at the highest level	15
13	are [verb] at the [adj] level	13
14	[am/are] [verb] at the [adj] level	13
15	[was/were] [verb] at the [adj] level	10
16	[be] [verb] at the local level	9
17	[be] [verb] at the local level	9
18	[be] [verb] at the same level	8
19	[be] [verb] at the same level	8
20	been [verb] at the [adj] level	8
21	[been] [verb] at the [adj] level	8
22	was [verb] at the [adj] level	8
23	[be] [verb] at the [det] level	8
24	[be] [v-ing] at the [adj] level	7
25	[be] [verb] at the national level	6
26	being [verb] at the [adj] level	6
27	[be] [verb] at the national level	6
28	[being] [verb] at the [adj] level	6
29	[be] made at the [adj] level	5
30	[be] maintain at the [adj] level	5