Choose the correct form of the verb 1.new messages should send/should be sent/in the office 2.all the members can invited/can be invited to the english song festivity 3. diamonds can't be find/can't be found in scotland 4. answers to the messages must reply/must be replied by the secretary 5. how can computers be join/can be joined to the telephone lines? 6.their suggestion is very useful. it may accepted/may be accepted at once. 7. violent films shouldn't show/shouldn't be shown on tv