I don't know how I can spell new words改为简单句

I don't know how I can spell new words改为简单句 i don't know how i can spell the words. 句型转换,1、I don't know how I can swim well(改为简单句)I don't know ( I don't know how I can learn English.(改为简单句）I don't know ___ I don't know how I can swim well.（改为简单句） I don't know ______ I don't know how to spell this new word .But mother can teac i don't know how i can make popcorn改为简单句 I don’t know how I can get to the nearest supermarket.(改为简单句 I don't know how I can get there. 改为简单句 句型转换①I don't know how I can get to the park.（改为简单句）I don't k I don't know how I can use the new machine（同义句） I don't know how I should go to beijing.(改为简单句)