Яникак не могу понять- в каком времени это предложение-…………………you/ever/ be) to the united states? - в present perfect или past simple? его сделать поставить в правильном времени слова

Вpresеnt perfect have you ever been to the united states?

Have you ever been to the us?

Present simple i go, walk, learn                                                     we  go, walk, learn you  go, walk, learn                                                 you  go, walk, learn he, she, it  goes, walks, learns                                 they  go, walk, learn present progressivei am going                                                     we are going you    are  going                                              you    are  going he, she, it   is  going                                        they    are  going i am  walking                                                   we are walking you    are  walking                                            you    are  walking he, she, it   is  walking                                    they    are  walking i am  learning                                                   we are  learning you    are  learning                                            you    are  learning he, she, it   is  learning                                    they    are  learnin

1mr.smith was known to be a successful doctor. 2it's rather boring to lie in bed in the hospital. 3sore throats must be gargled. 4the best medical teams were sent to the conference in chicago. 6healthy way of life is a major problem nowadays. 7the main task of our medicine is to improve conditions of staying sick people in the hospitals. 8to treat patients well doctocs must have high qualification and great experience. 9we can see many health care workers in different hospitals all over the world. 10a meaningful experience was shown by this surgeon during the compicated operation.