often to do sth,often doing sth,还是ofthe do sth?原因,谢谢!

use sth doing sth还是use sth to do sth plan+to do sth.还是doing sth.还是 do sth. expect to do sth还是doing sth? mind doing sth还是 to do sth learn+to do sth 还是 doing sth finish to do sth还是doing sth promise doing sth还是to do sth hope to do sth 还是 doing sth love to do sth 还是doing sth have nothing to do but do sth还是doing sth devote to doing sth 还是devote to do sth 1.pay attention to do sth 还是to doing sth? thanks to do sth还是thanks to doing sth.