Needn't

  Write needn't. The verb follows.

   pay - clean - play - go - write - buy

  We the car. It's not dirty.( to clean)
  I to the bank. I've got a lot of money. (to go)
  Jenny has got enoght bread, so she some.

  (to buy)

  I the dictation today. I can write it tomorrow.

  (to write)

  They can play football, so they tennis. (to play)
  Free entry. We . (to pay)