(1) Working without a plan is sailing without a compass. 

(2) Failing to plan is planning to fail. 

(3) He was quite agreeable to accepting the plan.

(4) At any rate, your plan needs revision.

(5) The boss wouldn't approve of the plan.

(6) What was his reaction to this plan?

(7) I changed my mind and disconcerted her plan.

(8) Lack of money necessitated a change of plan.

(9) Don't stint on time to make a plan.

(10) Little by little, he formulated his plan for escape.

(11) It's just a sketch of the plan.

(12) The whole plan went like a dream.

(13) Management and staff are at loggerheads over the plan.

(14) I opposed myself to the training plan.

(15) Can you sell the chief on your plan?

(16) The Government seems to have jettisoned the plan.

(17) He steamrollered the plan through the committee.

(18) Your idea will be incorporated in the plan.

(19) His plan is incompatible with my intentions.

(20) He openly criticized the plan as impracticable.

(21) How long do you plan to stay?

(22) He spoke on behalf of the plan.

(23) Their plan will probably meet with little success.

(24) I plan to stay for a week.

(25) I am in accord with your plan.

(26) In a word[sentencedict.com/plan.html],the whole plan fell through.

(27) Our ideas began to crystallize into a definite plan.

(28) This is conditional on the overall plan.

(29) We need to plan for the future.

(30) When society requires to be rebuilt, there is no use attempting to rebuild it on the old plan.