In Present simple^x, Dates^x, Verbs^x

Hi,First thing first, let's give the verb forms their correct names. was purchased >> past simple, passive had struggled >> past perfect is purchased >> present simple, passiveThe time sequence in your example sentence is something like this: 1. in the...

The basic form is a common technique in constructing time lines or time charts: listing the date and state the event in simple present; and that is the form that most of these verbs in your excerpt take-- simple present active or passive. 'Using a 50 power refractor that he designed himself,...