语法对不对Su Yang and her friend catch insects in the afternoon.T

语法对不对
Su Yang and her friend catch insects in the afternoon.They catch many insect today.Such as,butterflies,ants,grasshoppers and so on.It quarter to five,we must go home. Su Yang says.They all go home,but they are very happy!

只说语法上的问题；
Su Yang and her friend catch（应改为一般过去时态） insects in the afternoon（改为this afternoon）.They catch（应、改为一般过去时态） many insect（改为复数） today.Such as,butterflies,ants,grasshoppers and so on.It（少了is a ） quarter to five,we must go home.Su Yang says（改为一般过去时）.They all go（过去时） home,but they are（过去时) very happy!