Rewrite the following sentences, putting the frequency expressions in the right place.
They are happy to have guests ( always)
We laugh at people in trouble ( never)
I'm busy on Wednesdays. ( usually)
Birds build their nests on this roof. ( every winter)
They sing very loudly. ( generally)
Dalit is late for school. ( rarely)
My parents help me with my homework. ( hardly ever)
My parents visit us. (from time to time)
We are at home on Saturdays. (often)
The secretary works here. (five days a week)
We have fish for lunch. (sometimes)
Sharon has lunch before two o'clock. (seldom)