Put the verbs in brackets into correct tense.
1. If it __ (be) cold for gardening, I’ll write some letters.
2. The doctor __ (help) them if they go to him.
3. If you take a taxi, w1e __ (not be) late.
4. If she __ (come) to our place on Sunday, we will show her our garden.
5. If you look at the time-table, you __ (know) when the train arrives.