Use the correct tense of the verbs in brackets to complete the sentences. 1. What you (buy) for your grandma's birthday next week? 2. If the bridge (collapse) , we won't be able to cross the river. 3. I'm sure we (not miss) the bus. It's still early. 4. The farmers will work in the field unless it (rain) heavily. 5. you (go) to her party if she sends you an invitation?