Your Questions About What Is Scuba Diving Equipment

Daniel asks…
I need help with diagramming infinitives?
I have these sentences that I can’t figure out, and I need to diagram them. I just need to know what the infinitive is and what part of speech (Adj, adv, or noun) it is. If it’s a noun, I need to know whether it’s the subject, direct object, PN, or Object of Preposition.
1)The teacher assigned the class to write a friendly letter.
2)We didn’t know what to do.
3)To finish will take us hours of hard work
4)I can hardly wait to wrap my hands around a cup of hot apple cider.
5)To rent scuba diving equipment requires a certificate.
I think I know 3 and 5, but I want to make sure. I really don’t know the other 3. Thanks!
Tom Trindell answers:
An infinitive is always a verb. It is the form of a verb which appears as the heading in a dictionary entry, and may or may not be prefixed by ‘to’. When the word ‘to’ appears, as it does in all your sentences, I would advise you to include it in the infinitive you give as your answer.
I don’t understand the concept of diagramming sentences, but the infinitives are:
1. To write
2. To do
3. To finish
4. To wrap
5. To rent

Linda asks…
thinking of going scuba diving in malta?
what is the age limit for it and how long do we stay for or do we choose.and general cost for scuba diving with full equipment
Tom Trindell answers:
You can’t go on a dive trip or rent/buy equipment without being certified. So I would suggest you get certified before your trip, or get certified while you’re in Malta. Also, some places will take non-certified people on a “discover scuba” trip, but I don’t know much about that. You might also consider “snuba” which involves an air hose that goes up to the boat, instead of a tank on your back – I’ve never done that, either, but I don’t think certification is required for it.
There are several certifying bodies. I got mine through PADI (www.padi.com) and they require you to be at least 10 years old, but if you’re 10-14 you’ll get a junior certification (which you can upgrade to an adult certification after turning 15). I think the certification cost me about $350 including equipment rental, admission to the place we did the diving, etc.
Costs vary. In Costa Rica I think we paid about $60 per dive for the dive trip, and close to that much for equipment rental. It’s also customary to tip your divemaster. We’re going to Hawaii this winter, and it’s more like $120 per dive.
Most people do 2 dives per day. Leave about 8am, back by noon. You can do that for as many days as you like. But if you’re talking about doing it for a week, then maybe look into a live-aboard boat trip instead, and you can probably get more dives in, or go to more interesting places.
Note: My costs are in US dollars.

Ken asks…
If you could help me remember what this movie was that’d be great..?
It took place in the ocean. This couple wanted to go scuba diving. They went on a boat with other people who wanted to dive. However, when they got in the water, they were left behind. So they were stranded in the ocean with just their scuba diving equipment struggling to stay alive. I loved this movie but I forgot the name of it, as I would like to watch it again. Thank you.
Tom Trindell answers:
Open Water
http://www.imdb.com/title/tt0374102/
“A young thirty-something couple goes on holiday to the Caribbean. One of the fun activities available to them is scuba diving off a reef several miles out. Due to a faulty head count taken by the dive boat crew, the couple is left behind in the open ocean. They find themselves drifting endlessly for hours on end, facing dehydration, saltwater sickness, jellyfish stings, and sharks! Although a boat and a large ship pass by within the couple’s view, neither sees them, and they are not discovered missing until the following morning when a member of the dive boat crew discovers their gear on the boat, and their hotel manager discovers they never returned to their room. Frantically a search is mounted by plane, boat, and helicopter, looking for the missing couple.”
Trailer:
http://www.cinemagia.ro/trailer/open-water-teroare-in-larg-837/
Oddly enough, I found the sequel to be better.
Http://www.imdb.com/title/tt0470055/
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