from Russia asks:
Would you answer my grammar question? In which cases should we use simple past and in which cases used to do?
|In my experience, Paul, many students have difficulty with the correct usage of used to, so it may be useful to spend a little time looking at this.|
refers to past habits and states. If we say that somebody used to
do something, we mean that some time ago he was in the habit of doing
this, but he no longer does it now. Here are some examples:
simple, on the other hand, describes something which happened at a
definite point in time in the past. Thus: