Tenses Classment Test

The archaeologist "usually" ___ sediment samples for carbon dating.

• analyzes

• is analyzing

• has analyzed

• was analyzing

"At this moment", the geophysicist ___ seismic data in the lab.

• processes

• has processed

• is processing

• had processed

The linguist ___ ten indigenous dialects "since" the start of her research.

• studies

• studied

• has studied

• had studied

The botanist ___ the plant's growth pattern "for over" six months "now".

• observes

• has been observing

• observed

• was observing

The theory of relativity ___ global understanding in the "early 20th century".

• reshapes

• reshaped

• has reshaped

• was reshaping

"When" the blackout occurred, the chemists ___ a volatile reaction.

• performed

• were performing

• have performed

• had performed

"By the time" the thesis was published, the professor ___ the peer review process.

• completed

• was completing

• had completed

• completes

The climatologists ___ drought models "for months before" the new satellite images arrived.

• develop

• had been developing

• were developing

• have developed

According to projections, the inflation rate ___ significantly "next quarter".

• rose

• is rising

• will rise

• has risen

"This time tomorrow", the committee ___ the revised urban plan.

• will be presenting

• is presenting

• has presented

• presents