Определите видовременную форму
глаголов:

1. The questions asked by the macroeconomist are in
terms of broad aggregates.
2. What determines the capital spending of all firms
combined as opposed to the decision to build a new
factory by a single firm?
3. Macroeconomists measure overall economic activity;
analyze the determinants of such activity by the use of
macroeconomic theory.
4. Macroeconomic analyzes attempts to explain how the
magnitudes of the principal macroeconomic variables are
determined.