SN4 ""

No	Pattern	Freq
1	[noun] concentrate on the [adj]	72
2	[verb] concentrate on the [adj]	62
3	[noun sg] concentrate on the [adj]	42
4	[pron] concentrate on the [adj]	40
5	[pers pn] concentrate on the [adj]	33
6	be concentrate on the [adj]	33
7	[be] concentrate on the [adj]	33
8	[adv] concentrate on the [adj]	31
9	[conj] concentrate on the [adj]	30
10	[adv] concentrate on the [adj]	30
11	[coord] concentrate on the [adj]	26
12	have concentrate on the [adj]	26
13	[vb mod] concentrate on the [adj]	25
14	[modal v] concentrate on the [adj]	25
15	and concentrate on the [adj]	21
16	[prep] concentrate on the [adj]	21
17	[prep] concentrate on the [adj]	21
18	and concentrate on the [adj]	21
19	[vb base] concentrate on the [adj]	20
20	[noun pl] concentrate on the [adj]	19
21	[adj] concentrate on the [adj]	17
22	[vb -s] concentrate on the [adj]	15
23	[adj] concentrate on the [adj]	14
24	has concentrate on the [adj]	13
25	[vb past] concentrate on the [adj]	11
26	by concentrate on the [adj]	11
27	will concentrate on the [adj]	11
28	will concentrate on the [adj]	11
29	by concentrate on the [adj]	11
30	tend concentrate on the [adj]	9