SN4 ""

No	Pattern	Freq
1	a series [prep] [noun pl]	2675
2	a series of [noun pl]	2673
3	a series of [noun pl]	2673
4	a series [prep] articles	73
5	a series [prep] meetings	73
6	a series [prep] events	50
7	a series [prep] attacks	47
8	a series [prep] questions	44
9	a series [prep] experiments	39
10	a series [prep] measures	37
11	a series [prep] studies	36
12	a series [prep] lectures	36
13	a series [prep] seminars	26
14	a series [prep] tests	22
15	a series [prep] steps	20
16	a series [prep] raids	20
17	a series [prep] interviews	20
18	a series [prep] books	20
19	a series [prep] changes	17
20	a series [prep] reports	17
21	a series [prep] papers	16
22	a series [prep] visits	16
23	a series [prep] strikes	16
24	a series [prep] incidents	15
25	a series [prep] stages	15
26	a series [prep] workshops	15
27	a series [prep] drawings	14
28	a series [prep] agreements	14
29	a series [prep] talks	14
30	a series [prep] exhibitions	14