"suggest sb to do" 不是正确的英语表达。正确的表达是 "suggest sb doing sth" 或 "suggest doing sth"。
suggest sb doing sth：
建议某人做某事。例如：
I suggest you to exercise more often.（我建议你多锻炼。）
suggest doing sth：
建议做某事。例如：
I suggest studying English every day.（我建议每天学习英语。）
总结：
"suggest sb to do" 是错误的用法。
"suggest sb doing sth" 是正确的用法，表示建议某人做某事。
"suggest doing sth" 也是正确的用法，表示建议做某事。