SN4 ""

No	Pattern	Freq
1	[noun] concentrate on the [noun sg]	97
2	[verb] concentrate on the [noun sg]	76
3	[noun sg] concentrate on the [noun sg]	58
4	[be] concentrate on the [noun sg]	55
5	be concentrate on the [noun sg]	55
6	[pron] concentrate on the [noun sg]	55
7	[vb mod] concentrate on the [noun sg]	52
8	[modal v] concentrate on the [noun sg]	52
9	[adv] concentrate on the [noun sg]	50
10	[adv] concentrate on the [noun sg]	44
11	[pers pn] concentrate on the [noun sg]	40
12	[conj] concentrate on the [noun sg]	39
13	[coord] concentrate on the [noun sg]	36
14	have concentrate on the [noun sg]	35
15	and concentrate on the [noun sg]	33
16	and concentrate on the [noun sg]	33
17	[vb base] concentrate on the [noun sg]	28
18	[prep] concentrate on the [noun sg]	26
19	[prep] concentrate on the [noun sg]	26
20	[noun pl] concentrate on the [noun sg]	24
21	will concentrate on the [noun sg]	22
22	will concentrate on the [noun sg]	21
23	[adj] concentrate on the [noun sg]	17
24	by concentrate on the [noun sg]	17
25	by concentrate on the [noun sg]	17
26	[vb -s] concentrate on the [noun sg]	16
27	[was/were] concentrate on the [noun sg]	16
28	have concentrate on the [noun sg]	15
29	has concentrate on the [noun sg]	15
30	[noun prp] concentrate on the [noun sg]	14