Jesus asked this question to cause his hearers to think about what the kingdom of God is. AT: "With this parable I can explain what the kingdom of God is like." (See: [[rc://en/ta/man/translate/figs-rquestion]])
This can be stated in active form. AT: "when someone sows it" or "when someone plants it"
# it forms large branches
The mustard tree is described as causing its branches to grow large. AT: "with large branches" (See: [[rc://en/ta/man/translate/figs-personification]])