Question

No attempt was made/have been made/has been made by his company to win the market.
Their new factory were built/is being built/will be built on the outskirts of town in a year.
the amount of over $4 million have been spent/are spent/was spent on advertising last year.
a new prospectus were sent/is being sent/will be sent to all protential investors next week.

Answer 1

was made должно быть там потому что в настоящее время

Answer 2

1 has been made
2will be built
3was spent
4will be sent