Generalising
Talking about what is generally true :
On the whole,…
In general,…
In (some /many /most) cases,…
Broadly speaking,…
By and large,…
More often than not,…
Nine times out of ten,…
90 precent of the time,…
To (some/a great) extent,…
…tend to (think/ say /believe) .…
There's a tendency for…to…
Acknowledging that you are generalising:
This is a bit of a sweeping statement,but…
I may be overgeneralizing, but…
you might think this as an overgeneralisation, but…