题目内容：

写出下列动词的第三人称单数形式 现在分词 过去式
visit
read
fly
study
get
open
swim
see
write
run

优质解答

visit visited visitedread read readfly flew flownstudy studyed studyedget got gotopen opened openedswim swam swumsee saw seenwrite wrote writtenrun ran run