SN4 ""

No	Pattern	Freq
1	keep a [adj] eye on	150
2	keep a [adj] eye on	146
3	keep a close eye on	51
4	keep a close eye on	49
5	keep a watchful eye on	26
6	keep a watchful eye on	26
7	keep a wary eye on	13
8	keep a wary eye on	13
9	keep a careful eye on	9
10	keep a careful eye on	9
11	keep a [noun] eye on	9
12	keep a [noun sg] eye on	8
13	keep a keen eye on	5
14	keep a keen eye on	5
15	[modal v] keep a eye on	72
16	[noun] keep a eye on	72
17	[vb mod] keep a eye on	72
18	[verb] keep a eye on	69
19	[adv] keep a eye on	56
20	[adv] keep a eye on	45
21	[pron] keep a eye on	43
22	[conj] keep a eye on	43
23	[noun sg] keep a eye on	40
24	[coord] keep a eye on	40
25	and keep a eye on	34
26	and keep a eye on	34
27	[pers pn] keep a eye on	33
28	be keep a eye on	30
29	[be] keep a eye on	30
30	can keep a eye on	23