翻译下列短语。
1.so cute________________ 2.my grandparents________________
3.have a picnic________________ 4.very beautiful________________
5.is(过去式) ________________ 6.are (过去式) ________________
7.wasn’t(完全形式)_________________ 8.weren’t(完全形式) ________________
9.be clean________________ 10.be dirty________________