用do对动词表强调时,第三人称单数或过去时态应该加在do上还是动词上?

Do上 如：
She does love me.她的确爱我.(不强调时为：She lves me.)
I do like playing soccer.我真的爱踢足球.(不强调时为：I like playing soccer.)
He did die last night.他昨晚的确死了.(不强调时为：He died last night.)