Question

按照例子写出下列单词的现在分词形式和过去式。

take → taking → took
1. tell → ______________ → ______________
2. fly → ______________ → ______________ 
3. do → ______________ → ______________
4. climb → ______________ → ______________

Answer 1

1. telling, told  2. flying, flied  3. doing, did  4. climbing, climbed