спряжение для ''to study''
infinitive-to study
present simple-study/studies
present continuous- tobe+studying
1 Was <span>your exam difficult?
2 W</span>here were S<span>ue and Chris last week?
3 H</span><span>ow much was your camera?
4 Why were you angry yesterday?
5 Was the weather nice last week?</span>
(Id) thanked , helped, cleaned, skated,liked
(t)played, wanted, jumped, skipped, dressed
(d)skied, washed, lived, loved
<span><span><span>1) I knew that in the past the computer mouse looked different from what it looks now.
</span><span>2) I knew that first televisions were black and white.
</span><span>3) I knew that first TV's had few channels.
</span>4) I knew that </span><span><span>in the past TV screens were very small.
</span><span>5) I do not understand how the first computer mouse was manipulated.
</span>6) The stages of </span><span><span>the computer mouse development.
</span><span>7) The history of invention of the TV.
</span><span>8) The first computer mouse was a huge wooden box
</span><span>9) The first computer weighed several tons, worked very slowly and took up a lot of space.
</span>10) First TV's had only one channel which worked for only </span><span>2 or 3 specified hours.</span></span>