Question

Help me please. choose the correct alternative. 1. stop singing that song. you have sung/been singing it all afternoon. 2.that`s it. i have done/been doing all my homework. 3.it`s terrible! max has had/been having an accident. 4.she`s looked/been looking for her keys all day, but she still hasn`t found them. 5.why are you dirty? what have you done/been doing. 6.that actor has made/beenmaking twenty films. 7.my eyes hurt. i have worked/been working on the computer all day. 8.you have played/been playing computer games since ten o`clock this morning. it`s time to switch off! напишите , и если не трудно, объясните по какому принципу это всё работает

Answer 1

1-have been singing
2-have done
3-has had
4-has been looking
5-have done
6-has made
7-have been working
8-have been playing
Had\has+v-3 форма гл. применяется,чтобы подчеркнуть завершённость действия,а had\has been+v-ing используется,чтобы подчеркнуть длительность действия,слова,которые определить -all day,since morning к примеру.