1) I have swum in the Atlantic. I
remember it clearly.
2) They have run for hours, so
they are feeling tired.
3) We have visited Argentina a couple of times.
4) Have you sat in the sun for long?
Your face is very red.
5) They have climbed that mountain
for eight hours now.
6) I have bought a new kayak. They're
sending it from Canada
PS: Present Perfect Tense - это незавершненное время, нам важен результат, а не время выполнения.
I, you, we, they - have + V третьей формы или окончания -ed
he, she, it - has + V третьей формы или окончания -ed
1) The lecturer said that current chip technical was approaching the limits of physics.
2) sorry(
3) He said that a number of changes were affecting mainframe.
4) The programmer asked his colleagues that what security programs had been they testing when he had seen them the previous day morning?
5) sorry(
6) The lecturer said that the programmer hadn't been using presentation software in his report the day before morning.
7) sorry(
8) The scientist claimed that the researchs had been doing quantum computing experiments when he had seen the previous time.
9) sorry(
