我倾向于穿深色衣服。

I ___tend ___to wear dark colours.

七月和八月往往是我们最忙的月份。

July and August ___tend ___to be our busiest months.

当某事不愉快时，我们倾向于不去做它。

When something is not enjoyable, we ___tend not ___to do it.