If I had known how long the journey was, I ......(take) something else to read with me.
If I had known how long the journey was, I WOULD HAVE TAKEN something else to read with me.
I'd set them the task if they ...............(be) more reliable. However, I don't think they're capable of doing it.
I'd set them the task if they WERE more reliable. However, I don't think they're capable of doing it.
