Put the verbs in brackets into the correct form.(1.5 points)
1.He usually (go) _________________ to school by bike.
2.My father used to (go) _________________ fishing when he was a child
3.They (live) _________________  here for 8 years.
4.If we (recycle) _________________ more, we will help the Earth.
5. Factories (not dump) _________________  waste into rivers if the government fines them heavily.

6. If people travel to work by bus, there (be) _________________ fewer car fumes.