Choose the correct negative sentence in present perfect.

1.

i have not phoned the helpline yet.
i have not yet phoned the helpline.
i has not phoned the helpline yet.

2.

his mother has not made dinner so far.
his mother have not made dinner so far.
his mother has so far not made dinner.

3.
test-your-concepts. jpg
they has not learned the formulas, so they will probably fail the test.
they have not learned the formulas, so they will probably fail the test.
they have not learn the formulas, so they will probably fail the test.

4.

they have not use a touchscreen phone so far.
they have not used a touchscreen phone so far.
they has not used a touchscreen phone so far.

this is all about mother teresa. - это мать тереза.

i very much love autumn. leaves in the autumn drop out. it to be pleasant to me when i pass and underfoot those fallen down, yellow leaves creak. in the autumn weather changes, becomes more cool. all children go to school. вроде бы правильно перевел. граматических ошибок нет

lewis and ben play paper airplanes. mary and laura looked out the window. julia vyteraet board. alice combs her hair. josh reading a magazine. susan drinking juice. peter crossword puzzles. tara and melanie looking photos. dennis was asleep. roger and callum eat chisy

ну можно еще motherboard , microprocessor , hdd  — hard disk drive , modem , microphone , usb, columns , usb flash drive , power supply unit , fan , cd and dvd-rom , reader и.т.д