1)He didn’t phone
*Имя* said that he hadn't phoned
2)Ann has decided not to come
*Имя* said that Ann had decided not to come
3)Jane’s seen the play already
*Имя* said tha Jane had seen the play already
4)I can’t find the tickets
*Имя* said that he(she) couldn't find the tickets
5)We haven’t seen them. They left earlier
*Имя* said that they hadn't seen them as they had left earlier
6)The sun is shining and there are not clouds in the sky
*Имя* said that the sun was shining and there were not clouds in the sky
7)It’s 8 o’clock
*Имя* said that it eas 8 o'clock
8)The play will have started by 7
*Имя* said that the play would have started by 7
Вместо *Имя* в примере использовано Mary, также можно использовать местоимения he/she/they
I believe it is true that computers save us a lot of space and time. If you have a good modern computer with the Internet connection, it can replace a huge library with millions of books. This means that computers give us access to the wealth of information that is available on the Internet. They also allow us to analyze massive amounts of data very quickly, saving both our time and money.
Computers can be a great learning tool. For example, I regularly watch educational videos on the YouTube.
On the other hand, I understand those people who worry that we rely on computers too much and this habit can lead to problems with social interaction. That is why it is important to find middle ground between two extremes.
My mother has already baked a cake.
My mother hasn't baked a cake yet.
Has my mother baked a cake yet?
Yes,she has.