[Grammar] data checking, data check, or data checks

[uktous]

Hi,

Question:
Which forms of sentence are correct?

Form1:
I would carry out data checking, share market predicting, and event arranging, when I worked at ABC Ltd.
Form2:
I would carry out data check, share market prediction, and event arrangement, when I worked at ABC Ltd.
Form3:
I would carry out data checks, share market predictions, and event arrangements, when I worked at ABC Ltd.

Thanks

 

[Tdol]

How about 'I checked data, forecast market share and arranged events...'