The phrase, "he used to love" is definietly past tense. Hope this helps:)
Yes it is.
The phrase found out is past tense and should be used when referring to an event that has already occurred. The phrase find out is future tense and should be used when referring to an event that may occur in the future.
The phrase "They are being used" is in the present continuous tense. This form indicates that the action is currently happening.
As long as you love me is a phrase commonly used. It is a phrase which means till the time you love me.
Future perfect tense.
The past tense of love is loved.
The tense of the verb phrase "will be waiting" is future continuous tense. It indicates an action that will be ongoing in the future.
No. It's in the present tense.
Will release is future tense.
Present tense.
Will invest is future tense.
Yes it is but it is usually used in a phrase not just by itself. For example, you would say "will be going" or "going to." Going can be used as a future tense by itslef though.