SN4 ""

No	Pattern	Freq
31	by and for	33
32	[det] and for	31
33	[vb past] and for	30
34	[vb base] and for	29
35	time and for	28
36	them and for	24
37	service and for	24
38	they and for	24
39	of and for	22
40	of and for	22
41	time and for	22
42	themselves and for	22
43	themselves and for	22
44	year and for	21
45	with and for	21
46	with and for	21
47	area and for	20
48	it and for	20
49	it and for	20
50	country and for	20
51	system and for	19
52	people and for	19
53	people and for	19
54	purpose and for	18
55	[vb -s] and for	17
56	now and for	17
57	us and for	17
58	now and for	17
59	system and for	17
60	we and for	17