20 points, anyone good with verb tenses? much appreciated, easy points.

There is one verb tense error in this paragraph. Correct it:

Besides pay, summer jobs are an invaluable way for young people to gain confidence and new skills. They are about much more than simply earning a few extra pounds over the summer holidays. They're also great for when you start looking for a 'proper' job, as when the time comes, you will have valuable work experience to add to your CV.

There are two verb tense errors in this paragraph. Correct them:

In the past, staff were asked to hand in their holiday forms to Alex. From now on, we want you to hand them in to Niamh.

There are two verb tense errors in this paragraph. Correct them:

Apprenticeships in this country have had a long and interesting history. The next coming decade promises to be no different. The current government have begun to implement new changes and hopes that within the next four or five years, the new apprenticeship standards will help even larger numbers of young people find work.

Correct the two errors in these paragraphs:

That single game of Go marks a milestone on the road to the moment when artificial intelligence learns faster than humans can control or understand.

This week, though, a computer called AlphaGo has defeated the world's best player of Go. It did so by "learning" the game, crunching through 30 million positions from recorded matches, reacting and anticipating. It evolved as a player and taught itself.

Correct the single error in this paragraph:

The ancient Chinese board game "Go" was invented long before there was any writing to record its rules. A game from the impossibly distant past has now brought us closer to a momentthat I once seemed part of an impossibly distant future: a time when machines are cleverer than we are.

Correct the two errors in these paragraphs:

For years, Go has been considered the final resistance against the march of computers. Machines might win at chess, draughts, three-dimensional noughts and crosses, Monopoly, bridge and poker. Go, though, is different.

The game requires intuition, strategising and character reading, along with vast numbers of moves and combinations. According to legend, it was invented by a Chinese emperor to teach his subjects balance and patience: qualities unique to human intelligence.

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