SN4 ""

No	Pattern	Freq
1	is to say	995
2	is to make	609
3	is to have	450
4	is to get	444
5	is to take	413
6	is to provide	401
7	is to use	370
8	is to ensure	290
9	is to give	278
10	is to do	263
11	is to find	256
12	is to go	241
13	is to see	204
14	is to try	204
15	is to keep	203
16	is to look	196
17	is to help	188
18	is to put	174
19	is to develop	147
20	is to create	142
21	is to become	141
22	is to bring	134
23	is to show	131
24	is to examine	128
25	is to identify	126
26	is to encourage	125
27	is to reduce	124
28	is to ask	120
29	is to set	118
30	is to produce	114