Как отличить презент симпл презент перфект и презент континиус

Present simple(repeated actions),образуется: гл х или же 3л,ед.ч гл+s(es) если есть в предложении слова как: always,every,never,sometimes,often,seldom,то там present simple. present perfect(факт) have(has)+3ф гл. если есть в предложении слова как: ever,never,just,already,since,for,lately,recently,before,то там present perfect. present continius am,are,is+гл(ing) если есть в предложении слова как: now,at the moment,still,то это present continius(действия продолжаются)

Презент симпл это словарная форма глагола

1) robin makvizard lived in edinburgh 500 years ago.  2) robin went to the trip back in time to london of the future.  3) stone of destiny was lost for scotland, because it had been in london at westminster abbey.  4) robin couldn’t come back in time.  5) the door of robin’s time was closed.  6) robin's father could not eat and drink.  7) he was waiting for his son at the window.  8) mother robin died when he was two years old, and he lived with his father and grandmother.  9) robin was very fond of his country.  10) he believed that the stone of destiny could help.  11) life in scotland was hard.  12) robin came back without the stone of destiny.