VERB FORM
1. He (work) __ in this ofice for 30 years by the time he (retire)___ next October.
2. I (meet) __ John before I had a fortnight in Paris.

Question

khongcanbiet66795 · Answer

`1.` Worked (for`+`khoảng thời gian`-`HTHT) 
      will retire ( next`+`thời gian ở tương lai`-`TLĐ)
`2.` Have met ( before`-`HTHT)

huonggiangtong · Answer

`1.` Will have worked `-` Retires
`->` By the time S V(s/es) O, S will have PII
`2.` Had met
`->` Before S Ved, S had PII

VERB FORM 1. He (work) in this ofice for 30 years by the time he (retire)_ next October. 2. I (meet) __ John before I had a fortnight in Paris.