SN4 ""

No	Pattern	Freq
1	have written [prep]	742
2	have written to	428
3	have written to	428
4	had written [prep]	273
5	has written [prep]	209
6	have written [prep]	144
7	have written in	77
8	have written in	77
9	have written about	68
10	have written about	68
11	have written on	45
12	have written on	45
13	've written [prep]	43
14	have written for	35
15	have written for	35
16	have written of	30
17	have written of	30
18	's written [prep]	25
19	have written [prep]	22
20	'd written [prep]	12
21	have written at	11
22	have written at	11
23	have written into	9
24	have written into	9
25	have written with	8
26	have written with	8
27	to have written [prep]	8
28	having written [prep]	6
29	have written from	5
30	have written from	5