SN4 ""

No	Pattern	Freq
1	[noun] for doing	389
2	[noun sg] for doing	229
3	[noun pl] for doing	132
4	reason for doing	93
5	[verb] for doing	74
6	[vb pp] for doing	52
7	reasons for doing	48
8	[pron] for doing	46
9	reason for doing	45
10	[adj] for doing	35
11	[pers pn] for doing	34
12	[adv] for doing	31
13	[adj] for doing	24
14	[adv] for doing	20
15	[n mass] for doing	15
16	you for doing	14
17	paid for doing	14
18	you for doing	14
19	pay for doing	14
20	[noun prp] for doing	12
21	[adv prt] for doing	10
22	responsibility for doing	9
23	be for doing	9
24	[be] for doing	9
25	responsibility for doing	9
26	excuse for doing	8
27	motive for doing	8
28	him for doing	8
29	money for doing	8
30	money for doing	8