1
Past tense of "communicate".
2
Past tense of "have/has".
3
Past tense of "drink".
4
Past tense of "happen".
5
Past tense of "plan".
6
Past tense of "drive".
7
Past tense of "read".
8
Past tense of "study".
9
Past tense of "stop".
10
Past tense of "contact".
11
Past tense of "take".
12
Past tense of "find".
13
Past tense of "know".
14
Past tense of "write".
15
Past tense of "see".