G Fill in the blanks with the present perfect continuous tense form of verbs given in brackets.
1. Jeffrey Archer...... (write) a new novel for the last one year.
2. Sagarika ....... (suffer) from viral infection since last Saturday.
3. Tina ...... (try) to learn French since she opted for it as the third language.
4. She ........ (help) her teacher after class everyday.