SN4 ""

No	Pattern	Freq
31	have been easy for	24
32	have been better for	23
33	have been use for	23
34	have been used for	23
35	have been difficult for	21
36	have been difficult for	21
37	have been looking for	15
38	have been make for	15
39	have been look for	15
40	have been [noun sg] for	15
41	have been take for	14
42	have been taken for	14
43	have been impossible for	13
44	have been impossible for	13
45	have been made for	13
46	have been necessary for	12
47	have been necessary for	12
48	have been good for	11
49	have been there for	10
50	have been there for	10
51	have been [noun pl] for	9
52	have been [prep] for	8
53	have been eligible for	8
54	have been do for	8
55	have been [prep] for	8
56	have been mistake for	8
57	have been mistaken for	8
58	have been like for	8
59	have been eligible for	8
60	have been like for	8