Question

Help with an exercise? Past perfect or past simple? The " mouse mitt" Imagine a special glove which does the work of a computer mouse. A 16-year-old schoolboy from Brecon in Wales did and invented the " mouse mitt".Tobias Patterson Jones...(think) of the idea after his mother......(develop) RSI (a pain in her wrist from using a computer mouse).She....(work) on computers for many years but........(have to) stop when she.....(get) RSI. " Bending your fingers with the glove on is like clicking a normal muse button", Tobias..............(explain) when his invetion...........(be) on the discovery channel's science night.After Tobias.............(appear) on Tv,people ................(become) interested in developing his idea for computer game use.

Answer 1

Jones... thought (PS)
after his mother...developed (PS)
She...has worked (PP)
but...had to *Creo que falta un sujeto
when she...got (PS)
Tobias...explained (PS)
invention... was(PS)
Tobias...appeared (PS)
People...became(PS)