1. 1) The moon (to go) round the earth. 2) I (to think) it would be a good idea to leave early. 3) The government is worried because the number of people without jobs (to increase). 4) I usually (to go) to work by car. 2. 1) When we (to go) out, it (to rain). 2) I wasn't hungry last night. I( not to eat) anything.